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From: zwu.kernel@gmail.com
To: linux-scsi@vger.kernel.org
Cc: jbottomley@parallels.com, linux-kernel@vger.kernel.org,
	Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Subject: [PATCH] scsi: fix the build warning
Date: Thu, 22 Aug 2013 08:44:22 +0800	[thread overview]
Message-ID: <1377132262-15744-1-git-send-email-zwu.kernel@gmail.com> (raw)

From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>

  Initialize csum variable to fix the build warning.

drivers/scsi/scsi_debug.c: In function ‘dif_verify’:
drivers/scsi/scsi_debug.c:1755:3: warning: ‘csum’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  LD      drivers/built-in.o
  CHK     include/generated/uapi/linux/version.h
make[2]: Nothing to be done for `all'.
make[2]: Nothing to be done for `relocs'.

Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
---
 drivers/scsi/scsi_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index cb4fefa..50d70c3 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1733,7 +1733,7 @@ static int do_device_access(struct scsi_cmnd *scmd,
 
 static u16 dif_compute_csum(const void *buf, int len)
 {
-	u16 csum;
+	u16 csum = -1;
 
 	switch (scsi_debug_guard) {
 	case 1:
-- 
1.7.11.7


             reply	other threads:[~2013-08-22  0:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-22  0:44 zwu.kernel [this message]
2013-08-22  1:02 ` [PATCH] scsi: fix the build warning Joe Perches
2013-08-22  1:05   ` Zhi Yong Wu
2013-08-22  1:17     ` Joe Perches
2013-08-22  1:25       ` Martin K. Petersen
2013-08-22  1:55         ` Joe Perches
2013-08-22  1:59           ` Zhi Yong Wu
2013-08-22  2:25             ` Joe Perches
2013-08-22 12:42         ` Akinobu Mita
2013-08-22 14:27           ` James Bottomley
2013-08-22 14:49             ` Akinobu Mita
2013-09-20  9:53               ` Paul Bolle
2013-09-20 14:32                 ` Akinobu Mita
2013-09-20 16:14                   ` Paul Bolle

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