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| author | Dan Carpenter <error27@gmail.com> | 2010-03-20 14:24:15 +0300 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2010-03-31 05:19:09 +0400 |
| commit | c2b96929e2ca6914cf4a66cd8fe2a34c4a98277f (patch) | |
| tree | acfc0f7c28305f2057e6eed88ffd8b34441ba2e1 /fs | |
| parent | 683be16eb6e19a35aca2473668652259ed074094 (diff) | |
| download | linux-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.c | 3 |
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; |