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Groups > linux.kernel > #1261891

[PATCH 1/3] batman-adv: Delete an unnecessary check before the function call "batadv_softif_vlan_free_ref"

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 1/3] batman-adv: Delete an unnecessary check before the function call "batadv_softif_vlan_free_ref"
Date 2015-11-03 22:00 +0100
Message-ID <qqQQq-7KR-13@gated-at.bofh.it> (permalink)
References (13 earlier) <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it> <qqQGJ-7Hz-9@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 3 Nov 2015 19:20:34 +0100

The batadv_softif_vlan_free_ref() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 net/batman-adv/translation-table.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 4228b10..48315de 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -3336,8 +3336,7 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
 	ret = true;
 
 out:
-	if (vlan)
-		batadv_softif_vlan_free_ref(vlan);
+	batadv_softif_vlan_free_ref(vlan);
 	if (tt_global_entry)
 		batadv_tt_global_entry_free_ref(tt_global_entry);
 	if (tt_local_entry)
-- 
2.6.2

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Thread

[PATCH 0/3] batman-adv: Deletion of a few unnecessary checks SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-03 21:50 +0100
  [PATCH 3/3] batman-adv: Less function calls in  batadv_is_ap_isolated() after error detection SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-03 22:00 +0100
  [PATCH 2/3] batman-adv: Split a condition check SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-03 22:00 +0100
  [PATCH 1/3] batman-adv: Delete an unnecessary check before the  function call "batadv_softif_vlan_free_ref" SF Markus Elfring <elfring@users.sourceforge.net> - 2015-11-03 22:00 +0100

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