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(parent: 64c7113) | patch
ext4: fix oops when loading block bitmap failed
authorJan Kara <jack@suse.cz>
Thu, 30 Oct 2014 14:53:16 +0000 (10:53 -0400)
committerZefan Li <lizefan@huawei.com>
Mon, 2 Feb 2015 09:05:08 +0000 (17:05 +0800)
commit8f71a69fa42f842824e488be11c84af325e5feac
tree8b4d079192c5b61441315e54f852c40ad8d6f247tree | snapshot
parent64c7113dc103815f5631f8ed18e10b2b275fa1a0commit | diff
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: Zefan Li <lizefan@huawei.com>
fs/ext4/ialloc.c diff | blob | history
Domain: System / Kernel;