[openib-general] [PATCH 12 of 23] IB/ipath - do not allow use of CQ entries with invalid counts

[Bryan O'Sullivan]

Signed-off-by: Bryan O'Sullivan <bryan.osullivan at qlogic.com>

diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c
--- a/drivers/infiniband/hw/ipath/ipath_cq.c	Fri Aug 25 11:19:45 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c	Fri Aug 25 11:19:45 2006 -0700
@@ -172,7 +172,7 @@ struct ib_cq *ipath_create_cq(struct ib_
 	struct ipath_cq_wc *wc;
 	struct ib_cq *ret;
 
-	if (entries > ib_ipath_max_cqes) {
+	if (entries < 1 || entries > ib_ipath_max_cqes) {
 		ret = ERR_PTR(-EINVAL);
 		goto done;
 	}
@@ -324,6 +324,11 @@ int ipath_resize_cq(struct ib_cq *ibcq, 
 	u32 head, tail, n;
 	int ret;
 
+	if (cqe < 1 || cqe > ib_ipath_max_cqes) {
+		ret = -EINVAL;
+		goto bail;
+	}
+
 	/*
 	 * Need to use vmalloc() if we want to support large #s of entries.
 	 */