[sheepdog] [PATCH 01/10] dog/farm: clear performance tips generated by cppcheck

[Ruoyu]

This patch gets rid of the below message while performing a code analysis
with cppcheck.

[dog/farm/farm.c:207] -> [dog/farm/farm.c:218]: (performance) Variable
'ret' is reassigned a value before the old one has been used.

Signed-off-by: Ruoyu <liangry at ucweb.com>
---
 dog/farm/farm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dog/farm/farm.c b/dog/farm/farm.c
index 5d07be9..83c297f 100644
--- a/dog/farm/farm.c
+++ b/dog/farm/farm.c
@@ -204,7 +204,7 @@ out:
 static int notify_vdi_add(uint32_t vdi_id, uint8_t nr_copies,
 			  uint8_t copy_policy)
 {
-	int ret = -1;
+	int ret;
 	struct sd_req hdr;
 	struct sd_rsp *rsp = (struct sd_rsp *)&hdr;
 	char *buf = NULL;
-- 
1.8.3.2