[PATCH 09/17] s390/debug: Return directly if a null pointer was passed to debug_unregister()

SF Markus Elfring
2016-09-03T12:24:57Z

Date: Thu, 1 Sep 2016 19:34:45 +0200

Return directly at the beginning if a null pointer was passed for
the input parameter of this function.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
arch/s390/kernel/debug.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index c4a4641..d137150 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -736,13 +736,10 @@ void
debug_unregister(debug_info_t * id)
{
if (!id)
- goto out;
+ return;
mutex_lock(&debug_mutex);
debug_info_put(id);
mutex_unlock(&debug_mutex);
-
-out:
- return;
}
EXPORT_SYMBOL(debug_unregister);

--
2.9.3