Subject: [PATCH 1/1] mISDN: Deletion of unnecessary checks before the function call "vfree"

From: SF Markus Elfring <[email-masked]>
Date: Wed, 19 Nov 2014 20:55:18 +0100

From: Markus Elfring <[email-masked]>
Date: Wed, 19 Nov 2014 20:48:26 +0100

The vfree() function performs also input parameter validation. Thus the test
around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email-masked]>
---
 drivers/isdn/mISDN/l1oip_codec.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/isdn/mISDN/l1oip_codec.c b/drivers/isdn/mISDN/l1oip_codec.c
index a601c84..9b033be 100644
--- a/drivers/isdn/mISDN/l1oip_codec.c
+++ b/drivers/isdn/mISDN/l1oip_codec.c
@@ -312,10 +312,8 @@ l1oip_ulaw_to_alaw(u8 *data, int len, u8 *result)
 void
 l1oip_4bit_free(void)
 {
-	if (table_dec)
-		vfree(table_dec);
-	if (table_com)
-		vfree(table_com);
+	vfree(table_dec);
+	vfree(table_com);
 	table_com = NULL;
 	table_dec = NULL;
 }
-- 
2.1.3