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

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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
1 changed files with 6 additions and 1 deletions
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7
drivers/infiniband/hw/ipath/ipath_cq.c
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@ -172,7 +172,7 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
struct ipath_cq_wc *wc; struct ipath_cq_wc *wc;
struct ib_cq *ret; struct ib_cq *ret;
if (entries > ib_ipath_max_cqes) { if (entries < 1 || entries > ib_ipath_max_cqes) {
ret = ERR_PTR(-EINVAL); ret = ERR_PTR(-EINVAL);
goto done; goto done;
} }
@ -324,6 +324,11 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
u32 head, tail, n; u32 head, tail, n;
int ret; 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. * Need to use vmalloc() if we want to support large #s of entries.
*/ */