RDMA/irdma: Validate number of CQ entries on create CQ

Add lower bound check for CQ entries at creation time.

Fixes: b48c24c2 ("RDMA/irdma: Implement device supported verb APIs")
Link: https://lore.kernel.org/r/20210916191222.824-3-shiraz.saleem@intel.comSigned-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/irdma/verbs.c

@@ -2034,7 +2034,7 @@ static int irdma_create_cq(struct ib_cq *ibcq,
 		/* Kmode allocations */
 		int rsize;
 
-		if (entries > rf->max_cqe) {
+		if (entries < 1 || entries > rf->max_cqe) {
 			err_code = -EINVAL;
 			goto cq_free_rsrc;
 		}