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Commit 2768b2de authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
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[S390] qdio: reset outbound SBAL error states 



Don't leave outbound SBALs in error state after a target full condition.
Reset the state to not initialized to make the error handling consistent
across all types of errors.

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 25f269f1

drivers/s390/cio/qdio_main.c

+2 −1
Original line number Diff line number Diff line
@@ -450,7 +450,7 @@ static void process_buffer_error(struct qdio_q *q, int count) 
		qperf_inc(q, target_full);

		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x",

			      q->first_to_check);

		return;

		goto set;

	}



	DBF_ERROR("%4x BUF ERROR", SCH_NO(q));
@@ -460,6 +460,7 @@ static void process_buffer_error(struct qdio_q *q, int count) 
		  q->sbal[q->first_to_check]->element[14].sflags,

		  q->sbal[q->first_to_check]->element[15].sflags);



set:

	/*

	 * Interrupts may be avoided as long as the error is present

	 * so change the buffer state immediately to avoid starvation.