AW: [PATCH] staging: rtl8723bs: core: remove redundant zero'ing of counter variable k

Walter Harms
2020-02-24T11:15:24Z

________________________________________
Von: kernel-janitors-owner@vger.kernel.org <kernel-janitors-owner@vger.kernel.org> im Auftrag von Colin King <colin.king@canonical.com>
Gesendet: Sonntag, 23. Februar 2020 16:28
An: Greg Kroah-Hartman; devel@driverdev.osuosl.org
Cc: kernel-janitors@vger.kernel.org; linux-kernel@vger.kernel.org
Betreff: [PATCH] staging: rtl8723bs: core: remove redundant zero'ing of counter variable k

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

The zero'ing of counter variable k is redundant as it is never read
after breaking out of the while loop. Remove it.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/staging/rtl8723bs/core/rtw_efuse.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_efuse.c b/drivers/staging/rtl8723bs/core/rtw_efuse.c
index 3b8848182221..bdb6ff8aab7d 100644
--- a/drivers/staging/rtl8723bs/core/rtw_efuse.c
+++ b/drivers/staging/rtl8723bs/core/rtw_efuse.c
@@ -244,10 +244,8 @@ u16 Address)
while (!(Bytetemp & 0x80)) {
Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+3);
k++;
- if (k == 1000) {
- k = 0;
+ if (k == 1000)
break;
- }

IMHO this is confusing to read, i suggest:

for(k=0;k<1000;k++) {
Bytetemp = rtw_read8(Adapter, EFUSE_CTRL+3);
if ( Bytetemp & 0x80 )
break;
}

NTL is am wondering what will happen if k==1000
and Bytetemp is still invalid. Will rtw_read8() fail or
simply return invalid data ?

ym2c,
re,
wh
}
return rtw_read8(Adapter, EFUSE_CTRL);
} else
--
2.25.0