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[SCSI] zfcp: fix compile warning

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Get rid of this one:

drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_thread':
drivers/s390/scsi/zfcp_erp.c:1400: warning: ignoring return value of
'down_interruptible', declared with attribute warn_unused_result

zfcp_erp_thread is a kernel thread which can't receive any signals.
So introduce a dummy variable and get rid of the warning.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Heiko Carstens 2008-12-19 16:56:56 +01:00 committed by James Bottomley
parent b228af0269
commit 06499fac65
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/scsi/zfcp_erp.c
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@ -1385,6 +1385,7 @@ static int zfcp_erp_thread(void *data)
struct list_head *next; struct list_head *next;
struct zfcp_erp_action *act; struct zfcp_erp_action *act;
unsigned long flags; unsigned long flags;
int ignore;
daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev)); daemonize("zfcperp%s", dev_name(&adapter->ccw_device->dev));
/* Block all signals */ /* Block all signals */
@ -1407,7 +1408,7 @@ static int zfcp_erp_thread(void *data)
} }
zfcp_rec_dbf_event_thread_lock(4, adapter); zfcp_rec_dbf_event_thread_lock(4, adapter);
down_interruptible(&adapter->erp_ready_sem); ignore = down_interruptible(&adapter->erp_ready_sem);
zfcp_rec_dbf_event_thread_lock(5, adapter); zfcp_rec_dbf_event_thread_lock(5, adapter);
} }