[PATCH] rtlwifi: remove redundant initialization to cfg_cmd

Subsystems: realtek wireless driver (rtlwifi family), the rest

STALE3202d

3 messages, 3 authors, 2017-11-08 · open the first message on its own page

[PATCH] rtlwifi: remove redundant initialization to cfg_cmd

From: Colin King <hidden>
Date: 2017-11-04 19:38:08

From: Colin Ian King <redacted>

cfg_cmd is initialized to zero and this value is never read, instead
it is over-written in the start of a do-while loop. Remove the
redundant initialization. Cleans up clang warning:

drivers/net/wireless/realtek/rtlwifi/core.c:1750:22: warning: Value
stored to 'cfg_cmd' during its initialization is never read

Signed-off-by: Colin Ian King <redacted>
---
 drivers/net/wireless/realtek/rtlwifi/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index 1147327e6f52..7a17cc20c57e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1748,7 +1748,7 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
 			      u8 faversion, u8 interface_type,
 			      struct wlan_pwr_cfg pwrcfgcmd[])
 {
-	struct wlan_pwr_cfg cfg_cmd = {0};
+	struct wlan_pwr_cfg cfg_cmd;
 	bool polling_bit = false;
 	u32 ary_idx = 0;
 	u8 value = 0;
-- 
2.14.1

Re: [PATCH] rtlwifi: remove redundant initialization to cfg_cmd

From: Larry Finger <hidden>
Date: 2017-11-04 20:26:44

On 11/04/2017 02:37 PM, Colin King wrote:
From: Colin Ian King <redacted>

cfg_cmd is initialized to zero and this value is never read, instead
it is over-written in the start of a do-while loop. Remove the
redundant initialization. Cleans up clang warning:

drivers/net/wireless/realtek/rtlwifi/core.c:1750:22: warning: Value
stored to 'cfg_cmd' during its initialization is never read

Signed-off-by: Colin Ian King <redacted>
Looks OK to me.

Acked-by: Larry Finger <redacted>

Thanks,

Larry
quoted hunk
---
  drivers/net/wireless/realtek/rtlwifi/core.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index 1147327e6f52..7a17cc20c57e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1748,7 +1748,7 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version,
  			      u8 faversion, u8 interface_type,
  			      struct wlan_pwr_cfg pwrcfgcmd[])
  {
-	struct wlan_pwr_cfg cfg_cmd = {0};
+	struct wlan_pwr_cfg cfg_cmd;
  	bool polling_bit = false;
  	u32 ary_idx = 0;
  	u8 value = 0;

Re: rtlwifi: remove redundant initialization to cfg_cmd

From: Kalle Valo <hidden>
Date: 2017-11-08 12:45:21

Colin Ian King [off-list ref] wrote:
From: Colin Ian King <redacted>

cfg_cmd is initialized to zero and this value is never read, instead
it is over-written in the start of a do-while loop. Remove the
redundant initialization. Cleans up clang warning:

drivers/net/wireless/realtek/rtlwifi/core.c:1750:22: warning: Value
stored to 'cfg_cmd' during its initialization is never read

Signed-off-by: Colin Ian King <redacted>
Acked-by: Larry Finger <redacted>
Patch applied to wireless-drivers-next.git, thanks.

f80ead1cd5fa rtlwifi: remove redundant initialization to cfg_cmd

-- 
https://patchwork.kernel.org/patch/10041685/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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