diff options
39 files changed, 48 insertions, 103 deletions
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index 578737e..c05bda6 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -91,9 +91,8 @@ ia64_elf32_init (struct pt_regs *regs) * it with privilege level 3 because the IVE uses non-privileged accesses to these * tables. IA-32 segmentation is used to protect against IA-32 accesses to them. */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_GDT_OFFSET; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -117,9 +116,8 @@ ia64_elf32_init (struct pt_regs *regs) * code is locked in specific gate page, which is pointed by pretcode * when setup_frame_ia32 */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_GATE_OFFSET; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -142,9 +140,8 @@ ia64_elf32_init (struct pt_regs *regs) * Install LDT as anonymous memory. This gives us all-zero segment descriptors * until a task modifies them via modify_ldt(). */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = IA32_LDT_OFFSET; vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE); @@ -214,12 +211,10 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack) bprm->loader += stack_base; bprm->exec += stack_base; - mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!mpnt) return -ENOMEM; - memset(mpnt, 0, sizeof(*mpnt)); - down_write(¤t->mm->mmap_sem); { mpnt->vm_mm = current->mm; diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index aa94f60..86e144f 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2301,12 +2301,11 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon DPRINT(("smpl_buf @%p\n", smpl_buf)); /* allocate vma */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!vma) { DPRINT(("Cannot allocate vma\n")); goto error_kmem; } - memset(vma, 0, sizeof(*vma)); /* * partially initialize the vma for the sampling buffer diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 760dda4..f225dd7 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -176,9 +176,8 @@ ia64_init_addr_space (void) * the problem. When the process attempts to write to the register backing store * for the first time, it will get a SEGFAULT in this case. */ - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_start = current->thread.rbs_bot & PAGE_MASK; vma->vm_end = vma->vm_start + PAGE_SIZE; @@ -195,9 +194,8 @@ ia64_init_addr_space (void) /* map NaT-page at address zero to speed up speculative dereferencing of NULL: */ if (!(current->personality & MMAP_PAGE_ZERO)) { - vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (vma) { - memset(vma, 0, sizeof(*vma)); vma->vm_mm = current->mm; vma->vm_end = PAGE_SIZE; vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT); diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 5ce0bd4..6efe04f 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -300,12 +300,10 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, bprm->loader += stack_base; bprm->exec += stack_base; - mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!mpnt) return -ENOMEM; - memset(mpnt, 0, sizeof(*mpnt)); - down_write(&mm->mmap_sem); { mpnt->vm_mm = mm; diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 9291a86..6ebfa27 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -134,14 +134,13 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, if (cqe >= 0xFFFFFFFF - 64 - additional_cqe) return ERR_PTR(-EINVAL); - my_cq = kmem_cache_alloc(cq_cache, GFP_KERNEL); + my_cq = kmem_cache_zalloc(cq_cache, GFP_KERNEL); if (!my_cq) { ehca_err(device, "Out of memory for ehca_cq struct device=%p", device); return ERR_PTR(-ENOMEM); } - memset(my_cq, 0, sizeof(struct ehca_cq)); memset(¶m, 0, sizeof(struct ehca_alloc_cq_parms)); spin_lock_init(&my_cq->spinlock); diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index cfb362a..d22ab56 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -53,9 +53,8 @@ static struct ehca_mr *ehca_mr_new(void) { struct ehca_mr *me; - me = kmem_cache_alloc(mr_cache, GFP_KERNEL); + me = kmem_cache_zalloc(mr_cache, GFP_KERNEL); if (me) { - memset(me, 0, sizeof(struct ehca_mr)); spin_lock_init(&me->mrlock); } else ehca_gen_err("alloc failed"); @@ -72,9 +71,8 @@ static struct ehca_mw *ehca_mw_new(void) { struct ehca_mw *me; - me = kmem_cache_alloc(mw_cache, GFP_KERNEL); + me = kmem_cache_zalloc(mw_cache, GFP_KERNEL); if (me) { - memset(me, 0, sizeof(struct ehca_mw)); spin_lock_init(&me->mwlock); } else ehca_gen_err("alloc failed"); diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c index d5345e5..79d0591 100644 --- a/drivers/infiniband/hw/ehca/ehca_pd.c +++ b/drivers/infiniband/hw/ehca/ehca_pd.c @@ -50,14 +50,13 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device, { struct ehca_pd *pd; - pd = kmem_cache_alloc(pd_cache, GFP_KERNEL); + pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL); if (!pd) { ehca_err(device, "device=%p context=%p out of memory", device, context); return ERR_PTR(-ENOMEM); } - memset(pd, 0, sizeof(struct ehca_pd)); pd->ownpid = current->tgid; /* diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 95efef9..df0516f 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -450,13 +450,12 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, if (pd->uobject && udata) context = pd->uobject->context; - my_qp = kmem_cache_alloc(qp_cache, GFP_KERNEL); + my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL); if (!my_qp) { ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd); return ERR_PTR(-ENOMEM); } - memset(my_qp, 0, sizeof(struct ehca_qp)); memset (&parms, 0, sizeof(struct ehca_alloc_qp_parms)); spin_lock_init(&my_qp->spinlock_s); spin_lock_init(&my_qp->spinlock_r); diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c index da94e12..0cd7eed 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.c +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c @@ -1052,10 +1052,9 @@ static inline struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha, struct asd_ascb *ascb; unsigned long flags; - ascb = kmem_cache_alloc(asd_ascb_cache, gfp_flags); + ascb = kmem_cache_zalloc(asd_ascb_cache, gfp_flags); if (ascb) { - memset(ascb, 0, sizeof(*ascb)); ascb->dma_scb.size = sizeof(struct scb); ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool, gfp_flags, diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index f02f48a..a1cd6e6 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -388,10 +388,9 @@ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd, int err = 0; int write = (data_direction == DMA_TO_DEVICE); - sioc = kmem_cache_alloc(scsi_io_context_cache, gfp); + sioc = kmem_cache_zalloc(scsi_io_context_cache, gfp); if (!sioc) return DRIVER_ERROR << 24; - memset(sioc, 0, sizeof(*sioc)); req = blk_get_request(sdev->request_queue, write, gfp); if (!req) diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c index 282d82e..f0ffb89 100644 --- a/drivers/usb/host/hc_crisv10.c +++ b/drivers/usb/host/hc_crisv10.c @@ -2163,9 +2163,8 @@ static void etrax_usb_add_to_bulk_sb_list(struct urb *urb, int epid) maxlen = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe)); - sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, SLAB_FLAG); + sb_desc = kmem_cache_zalloc(usb_desc_cache, SLAB_FLAG); assert(sb_desc != NULL); - memset(sb_desc, 0, sizeof(USB_SB_Desc_t)); if (usb_pipeout(urb->pipe)) { diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 2cbb239..68e66b3 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -624,12 +624,10 @@ static inline struct urb_priv *uhci_alloc_urb_priv(struct uhci_hcd *uhci, { struct urb_priv *urbp; - urbp = kmem_cache_alloc(uhci_up_cachep, GFP_ATOMIC); + urbp = kmem_cache_zalloc(uhci_up_cachep, GFP_ATOMIC); if (!urbp) return NULL; - memset((void *)urbp, 0, sizeof(*urbp)); - urbp->urb = urb; urb->hcpriv = urbp; @@ -211,11 +211,10 @@ static struct kioctx *ioctx_alloc(unsigned nr_events) if ((unsigned long)nr_events > aio_max_nr) return ERR_PTR(-EAGAIN); - ctx = kmem_cache_alloc(kioctx_cachep, GFP_KERNEL); + ctx = kmem_cache_zalloc(kioctx_cachep, GFP_KERNEL); if (!ctx) return ERR_PTR(-ENOMEM); - memset(ctx, 0, sizeof(*ctx)); ctx->max_reqs = nr_events; mm = ctx->mm = current->mm; atomic_inc(&mm->mm_count); diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 1814ba446..9371ee2 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -72,11 +72,10 @@ static struct configfs_dirent *configfs_new_dirent(struct configfs_dirent * pare { struct configfs_dirent * sd; - sd = kmem_cache_alloc(configfs_dir_cachep, GFP_KERNEL); + sd = kmem_cache_zalloc(configfs_dir_cachep, GFP_KERNEL); if (!sd) return NULL; - memset(sd, 0, sizeof(*sd)); atomic_set(&sd->s_count, 1); INIT_LIST_HEAD(&sd->s_links); INIT_LIST_HEAD(&sd->s_children); diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 5352b03..f858fef 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -76,9 +76,7 @@ struct dlm_lkb *allocate_lkb(struct dlm_ls *ls) { struct dlm_lkb *lkb; - lkb = kmem_cache_alloc(lkb_cache, GFP_KERNEL); - if (lkb) - memset(lkb, 0, sizeof(*lkb)); + lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL); return lkb; } @@ -600,11 +600,10 @@ static struct dquot *get_empty_dquot(struct super_block *sb, int type) { struct dquot *dquot; - dquot = kmem_cache_alloc(dquot_cachep, GFP_NOFS); + dquot = kmem_cache_zalloc(dquot_cachep, GFP_NOFS); if(!dquot) return NODQUOT; - memset((caddr_t)dquot, 0, sizeof(struct dquot)); mutex_init(&dquot->dq_lock); INIT_LIST_HEAD(&dquot->dq_free); INIT_LIST_HEAD(&dquot->dq_inuse); diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index a86a55c..75bbfae 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1332,13 +1332,13 @@ int ecryptfs_write_headers(struct dentry *ecryptfs_dentry, goto out; } /* Released in this function */ - page_virt = kmem_cache_alloc(ecryptfs_header_cache_0, GFP_USER); + page_virt = kmem_cache_zalloc(ecryptfs_header_cache_0, GFP_USER); if (!page_virt) { ecryptfs_printk(KERN_ERR, "Out of memory\n"); rc = -ENOMEM; goto out; } - memset(page_virt, 0, PAGE_CACHE_SIZE); + rc = ecryptfs_write_headers_virt(page_virt, crypt_stat, ecryptfs_dentry); if (unlikely(rc)) { diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index c5a2e52..779c347 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -251,7 +251,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file) int lower_flags; /* Released in ecryptfs_release or end of function if failure */ - file_info = kmem_cache_alloc(ecryptfs_file_info_cache, GFP_KERNEL); + file_info = kmem_cache_zalloc(ecryptfs_file_info_cache, GFP_KERNEL); ecryptfs_set_file_private(file, file_info); if (!file_info) { ecryptfs_printk(KERN_ERR, @@ -259,7 +259,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file) rc = -ENOMEM; goto out; } - memset(file_info, 0, sizeof(*file_info)); lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; mount_crypt_stat = &ecryptfs_superblock_to_private( diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 11f5e50..d4f02f3 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -361,8 +361,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry, goto out; } /* Released in this function */ - page_virt = - (char *)kmem_cache_alloc(ecryptfs_header_cache_2, + page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2, GFP_USER); if (!page_virt) { rc = -ENOMEM; @@ -370,7 +369,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry, "Cannot ecryptfs_kmalloc a page\n"); goto out_dput; } - memset(page_virt, 0, PAGE_CACHE_SIZE); + rc = ecryptfs_read_header_region(page_virt, lower_dentry, nd->mnt); crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat; if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED)) diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index 745c0f1..80bccd5 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -207,14 +207,12 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat, /* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or * at end of function upon failure */ auth_tok_list_item = - kmem_cache_alloc(ecryptfs_auth_tok_list_item_cache, GFP_KERNEL); + kmem_cache_zalloc(ecryptfs_auth_tok_list_item_cache, GFP_KERNEL); if (!auth_tok_list_item) { ecryptfs_printk(KERN_ERR, "Unable to allocate memory\n"); rc = -ENOMEM; goto out; } - memset(auth_tok_list_item, 0, - sizeof(struct ecryptfs_auth_tok_list_item)); (*new_auth_tok) = &auth_tok_list_item->auth_tok; /* check for body size - one to two bytes */ diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index d0541ae8..fe41ab1 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -378,15 +378,13 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent) /* Released in ecryptfs_put_super() */ ecryptfs_set_superblock_private(sb, - kmem_cache_alloc(ecryptfs_sb_info_cache, + kmem_cache_zalloc(ecryptfs_sb_info_cache, GFP_KERNEL)); if (!ecryptfs_superblock_to_private(sb)) { ecryptfs_printk(KERN_WARNING, "Out of memory\n"); rc = -ENOMEM; goto out; } - memset(ecryptfs_superblock_to_private(sb), 0, - sizeof(struct ecryptfs_sb_info)); sb->s_op = &ecryptfs_sops; /* Released through deactivate_super(sb) from get_sb_nodev */ sb->s_root = d_alloc(NULL, &(const struct qstr) { @@ -402,7 +400,7 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent) /* Released in d_release when dput(sb->s_root) is called */ /* through deactivate_super(sb) from get_sb_nodev() */ ecryptfs_set_dentry_private(sb->s_root, - kmem_cache_alloc(ecryptfs_dentry_info_cache, + kmem_cache_zalloc(ecryptfs_dentry_info_cache, GFP_KERNEL)); if (!ecryptfs_dentry_to_private(sb->s_root)) { ecryptfs_printk(KERN_ERR, @@ -410,8 +408,6 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent) rc = -ENOMEM; goto out; } - memset(ecryptfs_dentry_to_private(sb->s_root), 0, - sizeof(struct ecryptfs_dentry_info)); rc = 0; out: /* Should be able to rely on deactivate_super called from @@ -405,12 +405,10 @@ int setup_arg_pages(struct linux_binprm *bprm, bprm->loader += stack_base; bprm->exec += stack_base; - mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); + mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); if (!mpnt) return -ENOMEM; - memset(mpnt, 0, sizeof(*mpnt)); - down_write(&mm->mmap_sem); { mpnt->vm_mm = mm; diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 0e34d99..e62d4f6 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -282,8 +282,7 @@ void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh, return; } - bd = kmem_cache_alloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL), - memset(bd, 0, sizeof(struct gfs2_bufdata)); + bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL), bd->bd_bh = bh; bd->bd_gl = gl; diff --git a/fs/namespace.c b/fs/namespace.c index 5ef336c..fd999ca 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -53,9 +53,8 @@ static inline unsigned long hash(struct vfsmount *mnt, struct dentry *dentry) struct vfsmount *alloc_vfsmnt(const char *name) { - struct vfsmount *mnt = kmem_cache_alloc(mnt_cache, GFP_KERNEL); + struct vfsmount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL); if (mnt) { - memset(mnt, 0, sizeof(struct vfsmount)); atomic_set(&mnt->mnt_count, 1); INIT_LIST_HEAD(&mnt->mnt_hash); INIT_LIST_HEAD(&mnt->mnt_child); diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c index a4bcae8..42261db 100644 --- a/fs/smbfs/request.c +++ b/fs/smbfs/request.c @@ -61,7 +61,7 @@ static struct smb_request *smb_do_alloc_request(struct smb_sb_info *server, struct smb_request *req; unsigned char *buf = NULL; - req = kmem_cache_alloc(req_cachep, GFP_KERNEL); + req = kmem_cache_zalloc(req_cachep, GFP_KERNEL); VERBOSE("allocating request: %p\n", req); if (!req) goto out; @@ -74,7 +74,6 @@ static struct smb_request *smb_do_alloc_request(struct smb_sb_info *server, } } - memset(req, 0, sizeof(struct smb_request)); req->rq_buffer = buf; req->rq_bufsize = bufsize; req->rq_server = server; diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 9dcdf55..9e95e7a 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -37,11 +37,10 @@ static struct sysfs_dirent * __sysfs_new_dirent(void * element) { struct sysfs_dirent * sd; - sd = kmem_cache_alloc(sysfs_dir_cachep, GFP_KERNEL); + sd = kmem_cache_zalloc(sysfs_dir_cachep, GFP_KERNEL); if (!sd) return NULL; - memset(sd, 0, sizeof(*sd)); atomic_set(&sd->s_count, 1); atomic_set(&sd->s_event, 1); INIT_LIST_HEAD(&sd->s_children); diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index 0c775fc..0689e00 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -558,10 +558,9 @@ struct sas_task { static inline struct sas_task *sas_alloc_task(gfp_t flags) { extern struct kmem_cache *sas_task_cache; - struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags); + struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags); if (task) { - memset(task, 0, sizeof(*task)); INIT_LIST_HEAD(&task->list); spin_lock_init(&task->task_state_lock); task->task_state_flags = SAS_TASK_STATE_PENDING; diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 5fe87de..a1bf616 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -399,10 +399,9 @@ EXPORT_SYMBOL_GPL(register_posix_clock); static struct k_itimer * alloc_posix_timer(void) { struct k_itimer *tmr; - tmr = kmem_cache_alloc(posix_timers_cache, GFP_KERNEL); + tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL); if (!tmr) return tmr; - memset(tmr, 0, sizeof (struct k_itimer)); if (unlikely(!(tmr->sigq = sigqueue_alloc()))) { kmem_cache_free(posix_timers_cache, tmr); tmr = NULL; diff --git a/net/core/dst.c b/net/core/dst.c index 1a53fb3..f9eace7 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -132,10 +132,9 @@ void * dst_alloc(struct dst_ops * ops) if (ops->gc()) return NULL; } - dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC); + dst = kmem_cache_zalloc(ops->kmem_cachep, GFP_ATOMIC); if (!dst) return NULL; - memset(dst, 0, ops->entry_size); atomic_set(&dst->__refcnt, 0); dst->ops = ops; dst->lastuse = jiffies; diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 054d464..efb673a 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -251,12 +251,10 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl) goto out_entries; } - n = kmem_cache_alloc(tbl->kmem_cachep, GFP_ATOMIC); + n = kmem_cache_zalloc(tbl->kmem_cachep, GFP_ATOMIC); if (!n) goto out_entries; - memset(n, 0, tbl->entry_size); - skb_queue_head_init(&n->arp_queue); rwlock_init(&n->lock); n->updated = n->used = now; diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c index c1f0cc1..720501e 100644 --- a/net/decnet/dn_table.c +++ b/net/decnet/dn_table.c @@ -593,12 +593,10 @@ create: replace: err = -ENOBUFS; - new_f = kmem_cache_alloc(dn_hash_kmem, GFP_KERNEL); + new_f = kmem_cache_zalloc(dn_hash_kmem, GFP_KERNEL); if (new_f == NULL) goto out; - memset(new_f, 0, sizeof(struct dn_fib_node)); - new_f->fn_key = key; new_f->fn_type = type; new_f->fn_scope = r->rtm_scope; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index ecb5422..d7e1e60 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -479,20 +479,18 @@ static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp) */ static struct mfc_cache *ipmr_cache_alloc(void) { - struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_KERNEL); + struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_KERNEL); if(c==NULL) return NULL; - memset(c, 0, sizeof(*c)); c->mfc_un.res.minvif = MAXVIFS; return c; } static struct mfc_cache *ipmr_cache_alloc_unres(void) { - struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_ATOMIC); + struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC); if(c==NULL) return NULL; - memset(c, 0, sizeof(*c)); skb_queue_head_init(&c->mfc_un.unres.unresolved); c->mfc_un.unres.expires = jiffies + 10*HZ; return c; diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c index 8086787..3aec4ac 100644 --- a/net/ipv4/ipvs/ip_vs_conn.c +++ b/net/ipv4/ipvs/ip_vs_conn.c @@ -603,13 +603,12 @@ ip_vs_conn_new(int proto, __be32 caddr, __be16 cport, __be32 vaddr, __be16 vport struct ip_vs_conn *cp; struct ip_vs_protocol *pp = ip_vs_proto_get(proto); - cp = kmem_cache_alloc(ip_vs_conn_cachep, GFP_ATOMIC); + cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC); if (cp == NULL) { IP_VS_ERR_RL("ip_vs_conn_new: no memory available.\n"); return NULL; } - memset(cp, 0, sizeof(*cp)); INIT_LIST_HEAD(&cp->c_list); init_timer(&cp->timer); cp->timer.data = (unsigned long)cp; diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c index 8556a4f..62be2eb 100644 --- a/net/ipv4/netfilter/ip_conntrack_core.c +++ b/net/ipv4/netfilter/ip_conntrack_core.c @@ -638,14 +638,13 @@ struct ip_conntrack *ip_conntrack_alloc(struct ip_conntrack_tuple *orig, } } - conntrack = kmem_cache_alloc(ip_conntrack_cachep, GFP_ATOMIC); + conntrack = kmem_cache_zalloc(ip_conntrack_cachep, GFP_ATOMIC); if (!conntrack) { DEBUGP("Can't allocate conntrack.\n"); atomic_dec(&ip_conntrack_count); return ERR_PTR(-ENOMEM); } - memset(conntrack, 0, sizeof(*conntrack)); atomic_set(&conntrack->ct_general.use, 1); conntrack->ct_general.destroy = destroy_conntrack; conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig; diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 96d8310..827f884 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -150,8 +150,7 @@ static __inline__ struct fib6_node * node_alloc(void) { struct fib6_node *fn; - if ((fn = kmem_cache_alloc(fib6_node_kmem, GFP_ATOMIC)) != NULL) - memset(fn, 0, sizeof(struct fib6_node)); + fn = kmem_cache_zalloc(fib6_node_kmem, GFP_ATOMIC); return fn; } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 0b1ddb1..7834818 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -979,11 +979,10 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb, { struct sctp_chunk *retval; - retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC); + retval = kmem_cache_zalloc(sctp_chunk_cachep, GFP_ATOMIC); if (!retval) goto nodata; - memset(retval, 0, sizeof(struct sctp_chunk)); if (!sk) { SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb); diff --git a/security/selinux/avc.c b/security/selinux/avc.c index e7c0b5e..da8caf1 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -332,11 +332,10 @@ static struct avc_node *avc_alloc_node(void) { struct avc_node *node; - node = kmem_cache_alloc(avc_node_cachep, GFP_ATOMIC); + node = kmem_cache_zalloc(avc_node_cachep, GFP_ATOMIC); if (!node) goto out; - memset(node, 0, sizeof(*node)); INIT_RCU_HEAD(&node->rhead); INIT_LIST_HEAD(&node->list); atomic_set(&node->ae.used, 1); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 65fb5e8..9eeab82 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -181,11 +181,10 @@ static int inode_alloc_security(struct inode *inode) struct task_security_struct *tsec = current->security; struct inode_security_struct *isec; - isec = kmem_cache_alloc(sel_inode_cache, GFP_KERNEL); + isec = kmem_cache_zalloc(sel_inode_cache, GFP_KERNEL); if (!isec) return -ENOMEM; - memset(isec, 0, sizeof(*isec)); mutex_init(&isec->lock); INIT_LIST_HEAD(&isec->list); isec->inode = inode; diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c index ebb993c..9142073 100644 --- a/security/selinux/ss/avtab.c +++ b/security/selinux/ss/avtab.c @@ -36,10 +36,9 @@ avtab_insert_node(struct avtab *h, int hvalue, struct avtab_key *key, struct avtab_datum *datum) { struct avtab_node * newnode; - newnode = kmem_cache_alloc(avtab_node_cachep, GFP_KERNEL); + newnode = kmem_cache_zalloc(avtab_node_cachep, GFP_KERNEL); if (newnode == NULL) return NULL; - memset(newnode, 0, sizeof(struct avtab_node)); newnode->key = *key; newnode->datum = *datum; if (prev) { |
