From: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: RDMA list <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] mlx4_ib: Fix error flow in post send
Date: Thu, 9 Feb 2012 18:52:50 +0200 [thread overview]
Message-ID: <20120209165250.GA1260@mtldesk30> (raw)
If the opcode of a work request exceeds the range of valid opcodes, return the
pointer to the offending work request.
Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
drivers/infiniband/hw/mlx4/qp.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index fe5b218..deec192 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1930,6 +1930,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
wmb();
if (wr->opcode < 0 || wr->opcode >= ARRAY_SIZE(mlx4_ib_opcode)) {
+ *bad_wr = wr;
err = -EINVAL;
goto out;
}
--
1.7.9
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reply other threads:[~2012-02-09 16:52 UTC|newest]
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