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scsi: raid_attrs: fix unused variable warning

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I ran into a new warning on randconfig kernels:

drivers/scsi/raid_class.c: In function 'raid_match':
drivers/scsi/raid_class.c:64:24: error: unused variable 'i' [-Werror=unused-variable]

This looks like a very old problem that for some reason was very hard to
run into, but it is very easy to fix, by replacing the incorrect #ifdef
with a simpler IS_ENABLED() check.

Fixes: fac829fdca ("[SCSI] raid_attrs: fix dependency problems")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Arnd Bergmann 2018-08-14 00:27:10 +02:00 committed by Martin K. Petersen
parent 5b394b2ddf
commit 0eeec01488
1 changed files with 1 additions and 3 deletions
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drivers/scsi/raid_class.c
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@ -63,8 +63,7 @@ static int raid_match(struct attribute_container *cont, struct device *dev)
* emulated RAID devices, so start with SCSI */
struct raid_internal *i = ac_to_raid_internal(cont);
#if defined(CONFIG_SCSI) || defined(CONFIG_SCSI_MODULE)
if (scsi_is_sdev_device(dev)) {
if (IS_ENABLED(CONFIG_SCSI) && scsi_is_sdev_device(dev)) {
struct scsi_device *sdev = to_scsi_device(dev);
if (i->f->cookie != sdev->host->hostt)
@ -72,7 +71,6 @@ static int raid_match(struct attribute_container *cont, struct device *dev)
return i->f->is_raid(dev);
}
#endif
/* FIXME: look at other subsystems too */
return 0;
}