Documentation: make configfs example code simpler, clearer
If "p" is NULL then it will cause an oops when we pass it to
simple_strtoul(). In this case "p" can not be NULL so I removed the
check. I also changed the check a little to make it more explicit that
we are testing whether p points to the NUL char.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/filesystems/configfs/configfs_example_explicit.c b/Documentation/filesystems/configfs/configfs_example_explicit.c
index d428cc9..fd53869 100644
--- a/Documentation/filesystems/configfs/configfs_example_explicit.c
+++ b/Documentation/filesystems/configfs/configfs_example_explicit.c
@@ -89,7 +89,7 @@
char *p = (char *) page;
tmp = simple_strtoul(p, &p, 10);
- if (!p || (*p && (*p != '\n')))
+ if ((*p != '\0') && (*p != '\n'))
return -EINVAL;
if (tmp > INT_MAX)