From: Jens Axboe <axboe@suse.de>
Date: Tue, 7 Feb 2006 14:00:01 +0000 (+0100)
Subject: [PATCH] cciss: softirq handler needs to save interrupt flags
X-Git-Tag: accepted/tizen/common/20141203.182822~40037
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d43da75fd6be4197c280903e1553eafcc39218e2;p=platform%2Fkernel%2Flinux-arm64.git

[PATCH] cciss: softirq handler needs to save interrupt flags

The softirq rq completion handler needs to save/restore interrupt flags
appropriately.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 12d7b9b..0d65394 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2183,6 +2183,7 @@ static void cciss_softirq_done(struct request *rq)
 {
 	CommandList_struct *cmd = rq->completion_data;
 	ctlr_info_t *h = hba[cmd->ctlr];
+	unsigned long flags;
 	u64bit temp64;
 	int i, ddir;
 
@@ -2205,10 +2206,10 @@ static void cciss_softirq_done(struct request *rq)
 	printk("Done with %p\n", rq);
 #endif /* CCISS_DEBUG */ 
 
-	spin_lock_irq(&h->lock);
+	spin_lock_irqsave(&h->lock, flags);
 	end_that_request_last(rq, rq->errors);
 	cmd_free(h, cmd,1);
-	spin_unlock_irq(&h->lock);
+	spin_unlock_irqrestore(&h->lock, flags);
 }
 
 /* checks the status of the job and calls complete buffers to mark all