linux-kernel - [patch] [SCSI] MegaRAID: use GFP

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Message-ID: <20121117150821.GB19951@elgon.mountain>
Date:	Sat, 17 Nov 2012 18:08:21 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Neela Syam Kolli <megaraidlinux@....com>
Cc:	"James E.J. Bottomley" <JBottomley@...allels.com>,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] [SCSI] MegaRAID: use GFP_ATOMIC under spin lock

We're holding a spin_lock here so we should use GFP_ATOMIC.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 25506c7..5205275 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -568,7 +568,7 @@ mraid_mm_attach_buf(mraid_mmadp_t *adp, uioc_t *kioc, int xferlen)
 
 	kioc->pool_index	= right_pool;
 	kioc->free_buf		= 1;
-	kioc->buf_vaddr 	= pci_pool_alloc(pool->handle, GFP_KERNEL,
+	kioc->buf_vaddr		= pci_pool_alloc(pool->handle, GFP_ATOMIC,
 							&kioc->buf_paddr);
 	spin_unlock_irqrestore(&pool->lock, flags);
 
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