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authorDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-22 22:45:46 -0800
commit6be325719b3e54624397e413efd4b33a997e55a3 (patch)
tree57f321a56794cab2222e179b16731e0d76a4a68a /ipc/shm.c
parent26d92f9276a56d55511a427fb70bd70886af647a (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
downloadop-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.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index 11bec62..23256b8 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -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;
}
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