isofs: Adjust four checks for null pointers
authorMarkus Elfring <elfring@users.sourceforge.net>
Fri, 18 Aug 2017 19:47:14 +0000 (21:47 +0200)
committerJan Kara <jack@suse.cz>
Wed, 23 Aug 2017 16:53:06 +0000 (18:53 +0200)
commite96e8a1dc12e3186e24c74e42e03b788d3132377
treeed67282e47ba02d476c162c49a94e860e4604052
parent8898662268778a8dde305719564c456c56c54857
isofs: Adjust four checks for null pointers

The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !...

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/isofs/inode.c