linux-kernel - [PATCH] soundwire: dmi-quirks: remove duplicate initialization

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Message-Id: <20210419012417.29366-1-yung-chuan.liao@linux.intel.com>
Date:   Mon, 19 Apr 2021 09:24:17 +0800
From:   Bard Liao <yung-chuan.liao@...ux.intel.com>
To:     alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, srinivas.kandagatla@...aro.org,
        rander.wang@...ux.intel.com, hui.wang@...onical.com,
        pierre-louis.bossart@...ux.intel.com, sanyog.r.kale@...el.com,
        bard.liao@...el.com
Subject: [PATCH] soundwire: dmi-quirks: remove duplicate initialization

From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

cppcheck warning:

drivers/soundwire/dmi-quirks.c:85:12: style: Redundant initialization
for 'map'. The initialized value is overwritten before it is
read. [redundantInitialization]
  for (map = dmi_id->driver_data; map->adr; map++) {
           ^
drivers/soundwire/dmi-quirks.c:83:25: note: map is initialized
  struct adr_remap *map = dmi_id->driver_data;
                        ^
drivers/soundwire/dmi-quirks.c:85:12: note: map is overwritten
  for (map = dmi_id->driver_data; map->adr; map++) {
           ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@...il.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
 drivers/soundwire/dmi-quirks.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soundwire/dmi-quirks.c b/drivers/soundwire/dmi-quirks.c
index 82061c1d9835..5db0a2443a1d 100644
--- a/drivers/soundwire/dmi-quirks.c
+++ b/drivers/soundwire/dmi-quirks.c
@@ -80,7 +80,7 @@ u64 sdw_dmi_override_adr(struct sdw_bus *bus, u64 addr)
 	/* check if any address remap quirk applies */
 	dmi_id = dmi_first_match(adr_remap_quirk_table);
 	if (dmi_id) {
-		struct adr_remap *map = dmi_id->driver_data;
+		struct adr_remap *map;
 
 		for (map = dmi_id->driver_data; map->adr; map++) {
 			if (map->adr == addr) {
-- 
2.17.1