diff options
| author | Bryan O'Sullivan <bos@pathscale.com> | 2006-08-25 11:24:37 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-09-22 15:22:34 -0700 |
| commit | eae33d47a797e159306567643284a98ae7428ec4 (patch) | |
| tree | 8a878a2e65f8a809d25c6c8ddd22c42073f7867c | |
| parent | 98341f261893acd7bc5abee5ddc35337ef49e457 (diff) | |
| download | linux-3.10-eae33d47a797e159306567643284a98ae7428ec4.tar.gz linux-3.10-eae33d47a797e159306567643284a98ae7428ec4.tar.bz2 linux-3.10-eae33d47a797e159306567643284a98ae7428ec4.zip | |
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>
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_cq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c index 3c4c198a451..049221bc590 100644 --- a/drivers/infiniband/hw/ipath/ipath_cq.c +++ b/drivers/infiniband/hw/ipath/ipath_cq.c @@ -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. */ |