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path: root/drivers/s390/net/lcs.c
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Diffstat (limited to 'drivers/s390/net/lcs.c')
-rw-r--r--drivers/s390/net/lcs.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 2eded55ae88d..16ac68c27a27 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -670,9 +670,8 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
670 int index, rc; 670 int index, rc;
671 671
672 LCS_DBF_TEXT(5, trace, "rdybuff"); 672 LCS_DBF_TEXT(5, trace, "rdybuff");
673 if (buffer->state != BUF_STATE_LOCKED && 673 BUG_ON(buffer->state != BUF_STATE_LOCKED &&
674 buffer->state != BUF_STATE_PROCESSED) 674 buffer->state != BUF_STATE_PROCESSED);
675 BUG();
676 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); 675 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
677 buffer->state = BUF_STATE_READY; 676 buffer->state = BUF_STATE_READY;
678 index = buffer - channel->iob; 677 index = buffer - channel->iob;
@@ -696,8 +695,7 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
696 int index, prev, next; 695 int index, prev, next;
697 696
698 LCS_DBF_TEXT(5, trace, "prcsbuff"); 697 LCS_DBF_TEXT(5, trace, "prcsbuff");
699 if (buffer->state != BUF_STATE_READY) 698 BUG_ON(buffer->state != BUF_STATE_READY);
700 BUG();
701 buffer->state = BUF_STATE_PROCESSED; 699 buffer->state = BUF_STATE_PROCESSED;
702 index = buffer - channel->iob; 700 index = buffer - channel->iob;
703 prev = (index - 1) & (LCS_NUM_BUFFS - 1); 701 prev = (index - 1) & (LCS_NUM_BUFFS - 1);
@@ -729,9 +727,8 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
729 unsigned long flags; 727 unsigned long flags;
730 728
731 LCS_DBF_TEXT(5, trace, "relbuff"); 729 LCS_DBF_TEXT(5, trace, "relbuff");
732 if (buffer->state != BUF_STATE_LOCKED && 730 BUG_ON(buffer->state != BUF_STATE_LOCKED &&
733 buffer->state != BUF_STATE_PROCESSED) 731 buffer->state != BUF_STATE_PROCESSED);
734 BUG();
735 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); 732 spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
736 buffer->state = BUF_STATE_EMPTY; 733 buffer->state = BUF_STATE_EMPTY;
737 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); 734 spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);