From: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxx>
---
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
--
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