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Documentation: make configfs example code simpler, clearer

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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>
This commit is contained in:
Dan Carpenter 2010-11-18 12:27:32 -08:00 committed by Linus Torvalds
parent 2b35f4d9ca
commit 09c9feb946
1 changed files with 1 additions and 1 deletions
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2
Documentation/filesystems/configfs/configfs_example_explicit.c
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@ -89,7 +89,7 @@ static ssize_t childless_storeme_write(struct childless *childless,
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)