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authorDan Carpenter <error27@gmail.com>2010-03-20 14:24:15 +0300
committerChris Mason <chris.mason@oracle.com>2010-03-31 05:19:09 +0400
commitc2b96929e2ca6914cf4a66cd8fe2a34c4a98277f (patch)
treeacfc0f7c28305f2057e6eed88ffd8b34441ba2e1 /fs
parent683be16eb6e19a35aca2473668652259ed074094 (diff)
downloadlinux-c2b96929e2ca6914cf4a66cd8fe2a34c4a98277f.tar.xz
Btrfs: handle kmalloc() failure in inode lookup ioctl
Return -ENOMEM if kmalloc() fails. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 874d36e5f167..74d89133f768 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1211,6 +1211,9 @@ static noinline int btrfs_ioctl_ino_lookup(struct file *file,
return -EPERM;
args = kmalloc(sizeof(*args), GFP_KERNEL);
+ if (!args)
+ return -ENOMEM;
+
if (copy_from_user(args, argp, sizeof(*args))) {
kfree(args);
return -EFAULT;