Message ID | 20220730123736.147758-1-colin.i.king@gmail.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | scsi: FlashPoint: remove redundant variable bm_int_st | expand |
On 7/30/22 06:37, Colin Ian King wrote: > The variable bm_int_st is assigned a value but it is never read. The > variable and the assignment are redundant and can be removed. > > Cleans up clang scan build warning: > drivers/scsi/FlashPoint.c:1726:7: warning: Although the value stored > to 'bm_int_st' is used in the enclosing expression, the value is never > actually read from 'bm_int_st' [deadcode.DeadStores] > > Signed-off-by: Colin Ian King <colin.i.king@gmail.com> > --- > drivers/scsi/FlashPoint.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Acked-by: Khalid Aziz <khalid@gonehiking.org> > > diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c > index 90253208a72f..3d9c56ac8224 100644 > --- a/drivers/scsi/FlashPoint.c > +++ b/drivers/scsi/FlashPoint.c > @@ -1712,7 +1712,7 @@ static unsigned char FlashPoint_InterruptPending(void *pCurrCard) > static int FlashPoint_HandleInterrupt(void *pcard) > { > struct sccb *currSCCB; > - unsigned char thisCard, result, bm_status, bm_int_st; > + unsigned char thisCard, result, bm_status; > unsigned short hp_int; > unsigned char i, target; > struct sccb_card *pCurrCard = pcard; > @@ -1723,7 +1723,7 @@ static int FlashPoint_HandleInterrupt(void *pcard) > > MDISABLE_INT(ioport); > > - if ((bm_int_st = RD_HARPOON(ioport + hp_int_status)) & EXT_STATUS_ON) > + if (RD_HARPOON(ioport + hp_int_status) & EXT_STATUS_ON) > bm_status = RD_HARPOON(ioport + hp_ext_status) & > (unsigned char)BAD_EXT_STATUS; > else
Colin, > The variable bm_int_st is assigned a value but it is never read. The > variable and the assignment are redundant and can be removed. Applied to 5.20/scsi-staging, thanks!
diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c index 90253208a72f..3d9c56ac8224 100644 --- a/drivers/scsi/FlashPoint.c +++ b/drivers/scsi/FlashPoint.c @@ -1712,7 +1712,7 @@ static unsigned char FlashPoint_InterruptPending(void *pCurrCard) static int FlashPoint_HandleInterrupt(void *pcard) { struct sccb *currSCCB; - unsigned char thisCard, result, bm_status, bm_int_st; + unsigned char thisCard, result, bm_status; unsigned short hp_int; unsigned char i, target; struct sccb_card *pCurrCard = pcard; @@ -1723,7 +1723,7 @@ static int FlashPoint_HandleInterrupt(void *pcard) MDISABLE_INT(ioport); - if ((bm_int_st = RD_HARPOON(ioport + hp_int_status)) & EXT_STATUS_ON) + if (RD_HARPOON(ioport + hp_int_status) & EXT_STATUS_ON) bm_status = RD_HARPOON(ioport + hp_ext_status) & (unsigned char)BAD_EXT_STATUS; else
The variable bm_int_st is assigned a value but it is never read. The variable and the assignment are redundant and can be removed. Cleans up clang scan build warning: drivers/scsi/FlashPoint.c:1726:7: warning: Although the value stored to 'bm_int_st' is used in the enclosing expression, the value is never actually read from 'bm_int_st' [deadcode.DeadStores] Signed-off-by: Colin Ian King <colin.i.king@gmail.com> --- drivers/scsi/FlashPoint.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)