* [PATCH] [SCSI] aic7xxx: remove redundant assignment to error
@ 2017-04-18 11:53 Colin King
2017-04-18 12:05 ` Johannes Thumshirn
0 siblings, 1 reply; 2+ messages in thread
From: Colin King @ 2017-04-18 11:53 UTC (permalink / raw)
To: Hannes Reinecke, James E . J . Bottomley, Martin K . Petersen,
linux-scsi
Cc: kernel-janitors, linux-kernel
From: Colin Ian King <colin.king@canonical.com>
error is initially assigned to ENOENT and a few statements later
is re-assigned to the error return from the call to ahd_wait_seeprom,
hence the initial assignment is redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/scsi/aic7xxx/aic79xx_core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 95d8f25cbcca..f5a2714ed82c 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -10077,7 +10077,6 @@ ahd_write_seeprom(struct ahd_softc *ahd, uint16_t *buf,
int retval;
AHD_ASSERT_MODES(ahd, AHD_MODE_SCSI_MSK, AHD_MODE_SCSI_MSK);
- error = ENOENT;
/* Place the chip into write-enable mode */
ahd_outb(ahd, SEEADR, SEEOP_EWEN_ADDR);
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] [SCSI] aic7xxx: remove redundant assignment to error
2017-04-18 11:53 [PATCH] [SCSI] aic7xxx: remove redundant assignment to error Colin King
@ 2017-04-18 12:05 ` Johannes Thumshirn
0 siblings, 0 replies; 2+ messages in thread
From: Johannes Thumshirn @ 2017-04-18 12:05 UTC (permalink / raw)
To: Colin King
Cc: Hannes Reinecke, James E . J . Bottomley, Martin K . Petersen,
linux-scsi, kernel-janitors, linux-kernel
On Tue, Apr 18, 2017 at 12:53:27PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> error is initially assigned to ENOENT and a few statements later
> is re-assigned to the error return from the call to ahd_wait_seeprom,
> hence the initial assignment is redundant and can be removed.
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/scsi/aic7xxx/aic79xx_core.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
> index 95d8f25cbcca..f5a2714ed82c 100644
> --- a/drivers/scsi/aic7xxx/aic79xx_core.c
> +++ b/drivers/scsi/aic7xxx/aic79xx_core.c
> @@ -10077,7 +10077,6 @@ ahd_write_seeprom(struct ahd_softc *ahd, uint16_t *buf,
> int retval;
>
> AHD_ASSERT_MODES(ahd, AHD_MODE_SCSI_MSK, AHD_MODE_SCSI_MSK);
> - error = ENOENT;
>
> /* Place the chip into write-enable mode */
> ahd_outb(ahd, SEEADR, SEEOP_EWEN_ADDR);
> --
Well,
a) the return value of ahd_write_seeprom() is never checked (the only caller
is ahd_proc_write_seeprom(),
b) Linux error codes are negative,
c) ahd_write_seeprom() has 'retval' and 'error' for returning error values
back to the caller (which doesn't care...)
So to sum it up, this change doesn't change anything here. But "fixing" the
list above would make a change.
HTH,
Johannes
--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2017-04-18 12:05 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-04-18 11:53 [PATCH] [SCSI] aic7xxx: remove redundant assignment to error Colin King
2017-04-18 12:05 ` Johannes Thumshirn
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).