1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
index b88b5dbbc444..188f30572aa1 100644
--- a/drivers/scsi/scsi_dh.c
+++ b/drivers/scsi/scsi_dh.c
@@ -112,6 +112,9 @@ static struct scsi_device_handler *scsi_dh_lookup(const char *name)
 {
         struct scsi_device_handler *dh;
 
+        if (!name || strlen(name) == 0)
+                return NULL;
+
         dh = __scsi_dh_lookup(name);
         if (!dh) {
                 request_module("scsi_dh_%s", name);