This is a note to let you know that I've just added the patch titled
RDMA/nes: Fix for crash when registering zero length MR for CQ
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-nes-fix-for-crash-when-registering-zero-length-mr-for-cq.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 7d9c199a55200c9b9fcad08e150470d02fb385be Mon Sep 17 00:00:00 2001
From: Tatyana Nikolova <[email protected]>
Date: Thu, 6 Dec 2012 20:05:02 +0000
Subject: RDMA/nes: Fix for crash when registering zero length MR for CQ
From: Tatyana Nikolova <[email protected]>
commit 7d9c199a55200c9b9fcad08e150470d02fb385be upstream.
Signed-off-by: Tatyana Nikolova <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: CAI Qian <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/infiniband/hw/nes/nes_verbs.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2568,6 +2568,11 @@ static struct ib_mr *nes_reg_user_mr(str
return ibmr;
case IWNES_MEMREG_TYPE_QP:
case IWNES_MEMREG_TYPE_CQ:
+ if (!region->length) {
+ nes_debug(NES_DBG_MR, "Unable to register zero
length region for CQ\n");
+ ib_umem_release(region);
+ return ERR_PTR(-EINVAL);
+ }
nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL);
if (!nespbl) {
nes_debug(NES_DBG_MR, "Unable to allocate
PBL\n");
Patches currently in stable-queue which might be from
[email protected] are
queue-3.0/rdma-nes-fix-for-crash-when-registering-zero-length-mr-for-cq.patch
queue-3.0/rdma-nes-fix-for-terminate-timer-crash.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
