ext4: fix check of dqget() return value in ext4_ioctl_setproject()
authorSeth Forshee <seth.forshee@canonical.com>
Thu, 5 May 2016 14:52:38 +0000 (10:52 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 5 May 2016 14:52:38 +0000 (10:52 -0400)
commitff0bc08454917964291f72ee5b8eca66de4bc250
tree8293c7b58cf4a690da807a37c7bb281dc7723536
parent7827a7f6ebfcb7f388dc47fddd48567a314701ba
ext4: fix check of dqget() return value in ext4_ioctl_setproject()

A failed call to dqget() returns an ERR_PTR() and not null. Fix
the check in ext4_ioctl_setproject() to handle this correctly.

Fixes: 9b7365fc1c82 ("ext4: add FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR interface support")
Cc: stable@vger.kernel.org # v4.5
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
fs/ext4/ioctl.c