From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Thumshirn Date: Tue, 18 Apr 2017 12:05:16 +0000 Subject: Re: [PATCH] [SCSI] aic7xxx: remove redundant assignment to error Message-Id: <20170418120516.GF6056@linux-x5ow.site> List-Id: References: <20170418115327.6833-1-colin.king@canonical.com> In-Reply-To: <20170418115327.6833-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: Colin King Cc: Hannes Reinecke , "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org On Tue, Apr 18, 2017 at 12:53:27PM +0100, Colin King wrote: > From: Colin Ian King >=20 > 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. >=20 > Signed-off-by: Colin Ian King > --- > drivers/scsi/aic7xxx/aic79xx_core.c | 1 - > 1 file changed, 1 deletion(-) >=20 > diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/a= ic79xx_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; > =20 > AHD_ASSERT_MODES(ahd, AHD_MODE_SCSI_MSK, AHD_MODE_SCSI_MSK); > - error =3D ENOENT; > =20 > /* Place the chip into write-enable mode */ > ahd_outb(ahd, SEEADR, SEEOP_EWEN_ADDR); > --=20 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 --=20 Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Felix Imend=F6rffer, Jane Smithard, Graham Norton HRB 21284 (AG N=FCrnberg) Key fingerprint =3D EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html