From: Dan Carpenter <error27@gmail.com>
Date: Sat, 20 Mar 2010 11:24:15 +0000 (+0000)
Subject: Btrfs: handle kmalloc() failure in inode lookup ioctl
X-Git-Tag: v2.6.34-rc4~69^2~8
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=c2b96929e2ca6914cf4a66cd8fe2a34c4a98277f;p=~emulex%2Finfiniband.git

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>
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 874d36e5f16..74d89133f76 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;