[patch 2/3] btrfs: handle kmalloc() failure

[Dan Carpenter]

Return -ENOMEM if kmalloc() fails.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 15f661d..be9b5df 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1212,6 +1212,9 @@ 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;
--
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