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Commit b99a946d authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin Schwidefsky
Browse files

s390/dasd: Clarify comment 



dasd_cancel_req will never return 1, only 0.

Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarStefan Weinhuber <wein@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent d783d9ad

drivers/s390/block/dasd.c

+1 −3
Original line number Diff line number Diff line
@@ -2402,8 +2402,7 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr) 
 * Cancels a request that was started with dasd_sleep_on_req.

 * This is useful to timeout requests. The request will be

 * terminated if it is currently in i/o.

 * Returns 1 if the request has been terminated.

 *	   0 if there was no need to terminate the request (not started yet)

 * Returns 0 if request termination was successful

 *	   negative error code if termination failed

 * Cancellation of a request is an asynchronous operation! The calling

 * function has to wait until the request is properly returned via callback.
@@ -2440,7 +2439,6 @@ int dasd_cancel_req(struct dasd_ccw_req *cqr) 
	return rc;

}





/*

 * SECTION: Operations of the dasd_block layer.

 */