From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [patch 2/3] btrfs: handle kmalloc() failure Date: Sat, 20 Mar 2010 14:24:15 +0300 Message-ID: <20100320112415.GW5331@bicker> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Yan Zheng , Josef Bacik , Sage Weil , Al Viro , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org To: Chris Mason Return-path: List-ID: Return -ENOMEM if kmalloc() fails. Signed-off-by: Dan Carpenter 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;