From: John Donnelly <john.p.donnelly@oracle.com>
Date: Thu, 24 Sep 2020 00:19:20 +0000 (-0700)
Subject: scsi: target: tcmu: Fix warning: 'page' may be used uninitialized
X-Git-Tag: v4.19.153~27
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=052daa607a16822dd243ed6b63d08f6ed0ae1d3b;p=wrapfs-4.14.y.git

scsi: target: tcmu: Fix warning: 'page' may be used uninitialized

[ Upstream commit 61741d8699e1fc764a309ebd20211bb1cb193110 ]

Corrects drivers/target/target_core_user.c:688:6: warning: 'page' may be
used uninitialized.

Link: https://lore.kernel.org/r/20200924001920.43594-1-john.p.donnelly@oracle.com
Fixes: 3c58f737231e ("scsi: target: tcmu: Optimize use of flush_dcache_page")
Cc: Mike Christie <michael.christie@oracle.com>
Acked-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: John Donnelly <john.p.donnelly@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 99314e516244..0219b5a865be 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -680,7 +680,7 @@ static void scatter_data_area(struct tcmu_dev *udev,
 	void *from, *to = NULL;
 	size_t copy_bytes, to_offset, offset;
 	struct scatterlist *sg;
-	struct page *page;
+	struct page *page = NULL;
 
 	for_each_sg(data_sg, sg, data_nents, i) {
 		int sg_remaining = sg->length;