ext4: fix oops when loading block bitmap failed
authorJan Kara <jack@suse.cz>
Thu, 30 Oct 2014 14:53:16 +0000 (10:53 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 30 Oct 2014 14:53:16 +0000 (10:53 -0400)
commit599a9b77ab289d85c2d5c8607624efbe1f552b0f
tree43e9dd2f0e5219a97918c9677b43c1c81abf4057
parent9378c6768e4fca48971e7b6a9075bc006eda981d
ext4: fix oops when loading block bitmap failed

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
Cc: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ialloc.c