IB/ipath: do not allow use of CQ entries with invalid counts

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bryan O'Sullivan 2006-08-25 11:24:37 -07:00 committed by Roland Dreier
parent 98341f2618
commit eae33d47a7

View File

@ -172,7 +172,7 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
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, int cqe, struct ib_udata *udata)
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.
*/