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* [PATCH] net: dsa: b53: remove redundant premature assignment to new_pvid
@ 2020-05-27 12:01 Colin King
  2020-05-27 16:23 ` Florian Fainelli
  2020-05-27 18:29 ` David Miller
  0 siblings, 2 replies; 3+ messages in thread
From: Colin King @ 2020-05-27 12:01 UTC (permalink / raw)
  To: Florian Fainelli, Andrew Lunn, Vivien Didelot, David S . Miller,
	Jakub Kicinski, netdev
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

Variable new_pvid is being assigned with a value that is never read,
the following if statement updates new_pvid with a new value in both
of the if paths. The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/net/dsa/b53/b53_common.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index ceb8be653182..1df05841ab6b 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1325,7 +1325,6 @@ int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering)
 	u16 pvid, new_pvid;
 
 	b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
-	new_pvid = pvid;
 	if (!vlan_filtering) {
 		/* Filtering is currently enabled, use the default PVID since
 		 * the bridge does not expect tagging anymore
-- 
2.25.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-05-27 18:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-05-27 12:01 [PATCH] net: dsa: b53: remove redundant premature assignment to new_pvid Colin King
2020-05-27 16:23 ` Florian Fainelli
2020-05-27 18:29 ` David Miller

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