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author | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
commit | 6be325719b3e54624397e413efd4b33a997e55a3 (patch) | |
tree | 57f321a56794cab2222e179b16731e0d76a4a68a /ipc/shm.c | |
parent | 26d92f9276a56d55511a427fb70bd70886af647a (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) | |
download | op-kernel-dev-6be325719b3e54624397e413efd4b33a997e55a3.zip op-kernel-dev-6be325719b3e54624397e413efd4b33a997e55a3.tar.gz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'ipc/shm.c')
-rw-r--r-- | ipc/shm.c | 16 |
1 files changed, 9 insertions, 7 deletions
@@ -39,7 +39,6 @@ #include <linux/nsproxy.h> #include <linux/mount.h> #include <linux/ipc_namespace.h> -#include <linux/ima.h> #include <asm/uaccess.h> @@ -101,6 +100,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) void shm_exit_ns(struct ipc_namespace *ns) { free_ipcs(ns, &shm_ids(ns), do_shm_rmid); + idr_destroy(&ns->ids[IPC_SHM_IDS].ipcs_idr); } #endif @@ -298,6 +298,9 @@ static const struct file_operations shm_file_operations = { .mmap = shm_mmap, .fsync = shm_fsync, .release = shm_release, +#ifndef CONFIG_MMU + .get_unmapped_area = shm_get_unmapped_area, +#endif }; static const struct file_operations shm_file_operations_huge = { @@ -878,8 +881,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr) if (err) goto out_unlock; - path.dentry = dget(shp->shm_file->f_path.dentry); - path.mnt = shp->shm_file->f_path.mnt; + path = shp->shm_file->f_path; + path_get(&path); shp->shm_nattch++; size = i_size_read(path.dentry->d_inode); shm_unlock(shp); @@ -889,13 +892,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr) if (!sfd) goto out_put_dentry; - file = alloc_file(path.mnt, path.dentry, f_mode, - is_file_hugepages(shp->shm_file) ? + file = alloc_file(&path, f_mode, + is_file_hugepages(shp->shm_file) ? &shm_file_operations_huge : &shm_file_operations); if (!file) goto out_free; - ima_counts_get(file); file->private_data = sfd; file->f_mapping = shp->shm_file->f_mapping; @@ -950,7 +952,7 @@ out_unlock: out_free: kfree(sfd); out_put_dentry: - dput(path.dentry); + path_put(&path); goto out_nattch; } |