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>
This commit is contained in:
Dan Carpenter 2010-03-20 11:24:15 +00:00 committed by Chris Mason
parent 683be16eb6
commit c2b96929e2

View File

@ -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;