Acked-by: Steve Wise <sw...@opengridcomputing.com>
Note: This fix applies only to net-next because the commit that introduced this
is still
pending in net-next:
commit 05eb23893c2cf9502a9cec0c32e7f1d1ed2895c8
Author: Steve Wise <sw...@opengridcomputing.com>
Date: Fri Mar 14 21:52:08 2014 +0530
cxgb4/iw_cxgb4: Doorbell Drop Avoidance Bug Fixes
Dave, can you please merge this?
Thanks,
Steve.
-----Original Message-----
From: Yann Droneaud [mailto:ydrone...@opteya.com]
Sent: Wednesday, March 26, 2014 10:05 AM
To: Roland Dreier; Roland Dreier
Cc: Yann Droneaud; linux-rdma@vger.kernel.org; Steve Wise; Steve Wise
Subject: [PATCH] RDMA/cxgb4: set error code on kmalloc() failure
If kmalloc() fails in c4iw_alloc_ucontext(), the function
leaves but does not set an error code in ret variable:
it will return 0 to the caller.
This patch set ret to -ENOMEM in such case.
Cc: Steve Wise <sw...@opengridcomputing.com>
Cc: Steve Wise <sw...@chelsio.com>
Signed-off-by: Yann Droneaud <ydrone...@opteya.com>
---
drivers/infiniband/hw/cxgb4/provider.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/cxgb4/provider.c
b/drivers/infiniband/hw/cxgb4/provider.c
index e36d2a27c431..79429256023a 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -128,8 +128,10 @@ static struct ib_ucontext *c4iw_alloc_ucontext(struct
ib_device
*ibdev,
rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED;
} else {
mm = kmalloc(sizeof(*mm), GFP_KERNEL);
- if (!mm)
+ if (!mm) {
+ ret = -ENOMEM;
goto err_free;
+ }
uresp.status_page_size = PAGE_SIZE;
--
1.9.0
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