[Qemu-devel] [PATCH] scsi-bus: Don't mask rc of scsi_req_parse_cdb

[Fam Zheng]

If the previous call failed, we can skip the second one.

Signed-off-by: Fam Zheng <address@hidden>
---
 hw/scsi/scsi-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index af7707c..0661f70 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -67,7 +67,7 @@ int scsi_bus_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, 
uint8_t *buf,
 
     assert(cmd->len == 0);
     rc = scsi_req_parse_cdb(dev, cmd, buf);
-    if (bus->info->parse_cdb) {
+    if (!rc && bus->info->parse_cdb) {
         rc = bus->info->parse_cdb(dev, cmd, buf, hba_private);
     }
     return rc;
-- 
1.9.3