tree 7244e8448303b034e17ab24a835012ae99b33734
parent a4c18ad2eed93194a667cb9f6662c3b3e8f0bba9
author Jan Kara <jack@suse.cz> 1287440661 +0200
committer Jan Kara <jack@suse.cz> 1288222206 +0200

quota: Fix possible oops in __dquot_initialize()

When quotaon(8) races with __dquot_initialize() or dqget() fails because
of EIO, ENOSPC, or similar error, we could possibly dereference NULL pointer
in inode->i_dquot[cnt]. Add proper checking.

Reported-by: Dmitry Monakhov <dmonakhov@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>