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[11/44] aha1542: Remove a set-but-not-used array

Message ID 20220128221909.8141-12-bvanassche@acm.org
State Superseded
Headers show
Series Remove the SCSI pointer from struct scsi_cmnd | expand

Commit Message

Bart Van Assche Jan. 28, 2022, 10:18 p.m. UTC
This patch fixes the following W=1 warning:

drivers/scsi/aha1542.c:209:12: warning: variable ‘inquiry_result’ set but not used [-Wunused-but-set-variable]
  209 |         u8 inquiry_result[4];

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/aha1542.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Johannes Thumshirn Jan. 31, 2022, 10:25 a.m. UTC | #1
On Fri, 2022-01-28 at 14:18 -0800, Bart Van Assche wrote:
> @@ -240,7 +239,7 @@ static int aha1542_test_port(struct Scsi_Host
> *sh)
>         for (i = 0; i < 4; i++) {
>                 if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0))
>                         return 0;
> -               inquiry_result[i] = inb(DATA(sh->io_port));
> +               inb(DATA(sh->io_port));
>         }


Maybe:
		(void)inb(DATA(sh->ip_port));

so it's obvious we don't care about the read data.

Otherwise,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Bart Van Assche Jan. 31, 2022, 5:13 p.m. UTC | #2
On 1/31/22 02:25, Johannes Thumshirn wrote:
> On Fri, 2022-01-28 at 14:18 -0800, Bart Van Assche wrote:
>> @@ -240,7 +239,7 @@ static int aha1542_test_port(struct Scsi_Host
>> *sh)
>>          for (i = 0; i < 4; i++) {
>>                  if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0))
>>                          return 0;
>> -               inquiry_result[i] = inb(DATA(sh->io_port));
>> +               inb(DATA(sh->io_port));
>>          }
> 
> 
> Maybe:
> 		(void)inb(DATA(sh->ip_port));
> 
> so it's obvious we don't care about the read data.

I will make that change. Thanks for all the reviews!

Bart.
diff mbox series

Patch

diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index f0e8ae9f5e40..c7a735e581c8 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -206,7 +206,6 @@  static int makecode(unsigned hosterr, unsigned scsierr)
 
 static int aha1542_test_port(struct Scsi_Host *sh)
 {
-	u8 inquiry_result[4];
 	int i;
 
 	/* Quick and dirty test for presence of the card. */
@@ -240,7 +239,7 @@  static int aha1542_test_port(struct Scsi_Host *sh)
 	for (i = 0; i < 4; i++) {
 		if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0))
 			return 0;
-		inquiry_result[i] = inb(DATA(sh->io_port));
+		inb(DATA(sh->io_port));
 	}
 
 	/* Reading port should reset DF */