From: Jan Kara <jack@suse.cz>
Date: Thu, 30 Oct 2014 14:53:16 +0000 (-0400)
Subject: ext4: fix oops when loading block bitmap failed
X-Git-Tag: v3.2.65~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93604e7651f6cfccaa34d4fdb18b6a337594912e;p=pandora-kernel.git

ext4: fix oops when loading block bitmap failed

commit 599a9b77ab289d85c2d5c8607624efbe1f552b0f upstream.

When we fail to load block bitmap in __ext4_new_inode() we will
dereference NULL pointer in ext4_journal_get_write_access(). So check
for error from ext4_read_block_bitmap().

Coverity-id: 989065
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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