linux-kernel - [PATCH] power: supply: twl4030-charger: remove unused cur

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230401113432.1873847-1-trix@redhat.com>
Date:   Sat,  1 Apr 2023 07:34:32 -0400
From:   Tom Rix <trix@...hat.com>
To:     sre@...nel.org, nathan@...nel.org, ndesaulniers@...gle.com
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, Tom Rix <trix@...hat.com>
Subject: [PATCH] power: supply: twl4030-charger: remove unused cur_reg variable

clang with W=1 reports
drivers/power/supply/twl4030_charger.c:242:16: error: variable
  'cur_reg' set but not used [-Werror,-Wunused-but-set-variable]
        unsigned reg, cur_reg;
                      ^
This variable is not used so remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/power/supply/twl4030_charger.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c
index 7adfd69fe649..5fa5b2311330 100644
--- a/drivers/power/supply/twl4030_charger.c
+++ b/drivers/power/supply/twl4030_charger.c
@@ -239,7 +239,7 @@ static int twl4030_charger_update_current(struct twl4030_bci *bci)
 {
 	int status;
 	int cur;
-	unsigned reg, cur_reg;
+	unsigned reg;
 	u8 bcictl1, oldreg, fullreg;
 	bool cgain = false;
 	u8 boot_bci;
@@ -357,11 +357,9 @@ static int twl4030_charger_update_current(struct twl4030_bci *bci)
 	status = twl4030_bci_read(TWL4030_BCIIREF1, &oldreg);
 	if (status < 0)
 		return status;
-	cur_reg = oldreg;
 	status = twl4030_bci_read(TWL4030_BCIIREF2, &oldreg);
 	if (status < 0)
 		return status;
-	cur_reg |= oldreg << 8;
 	if (reg != oldreg) {
 		/* disable write protection for one write access for
 		 * BCIIREF */
-- 
2.27.0