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Message-Id: <94b773e8d36a655ea540.1156530277@eng-12.pathscale.com>
Date: Fri, 25 Aug 2006 11:24:37 -0700
From: Bryan O'Sullivan <bos@...hscale.com>
To: rdreier@...co.com
Cc: openib-general@...nib.org, linux-kernel@...r.kernel.org
Subject: [PATCH 12 of 23] IB/ipath - do not allow use of CQ entries with
invalid counts
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@...gic.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.
*/
-
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