cciss: fix cciss_revalidate panic

[karo-tx-linux.git] / drivers / block / cciss.c

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index f291587d753e1b49ceb6138af1b925801b47a4db..233e06c29ff4fa6765ca417dd707cf8b94102dda 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2834,6 +2834,8 @@ static int cciss_revalidate(struct gendisk *disk)
        InquiryData_struct *inq_buff = NULL;
 
        for (logvol = 0; logvol < CISS_MAX_LUN; logvol++) {
+               if (!h->drv[logvol])
+                       continue
                if (memcmp(h->drv[logvol]->LunID, drv->LunID,
                        sizeof(drv->LunID)) == 0) {
                        FOUND = 1;