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authorJan Kara <jack@suse.cz>2010-10-19 00:24:21 +0200
committerJan Kara <jack@suse.cz>2010-10-28 01:30:06 +0200
commit4408ea41c0ab4b711d4da44dd954fb06dce6c3f8 (patch)
tree7244e8448303b034e17ab24a835012ae99b33734 /fs/ext3
parenta4c18ad2eed93194a667cb9f6662c3b3e8f0bba9 (diff)
downloadlinux-4408ea41c0ab4b711d4da44dd954fb06dce6c3f8.tar.bz2
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>
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