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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
1 changed files with 3 additions and 0 deletions
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3
fs/btrfs/ioctl.c
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@ -1211,6 +1211,9 @@ static noinline int btrfs_ioctl_ino_lookup(struct file *file,
return -EPERM; return -EPERM;
args = kmalloc(sizeof(*args), GFP_KERNEL); args = kmalloc(sizeof(*args), GFP_KERNEL);
if (!args)
return -ENOMEM;
if (copy_from_user(args, argp, sizeof(*args))) { if (copy_from_user(args, argp, sizeof(*args))) {
kfree(args); kfree(args);
return -EFAULT; return -EFAULT;