This is a note to let you know that I've just added the patch titled
IPoIB: Avoid reading an uninitialized member variable
to the 4.4-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:
ipoib-avoid-reading-an-uninitialized-member-variable.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 11b642b84e8c43e8597de031678d15c08dd057bc Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Date: Mon, 21 Nov 2016 10:21:41 -0800
Subject: IPoIB: Avoid reading an uninitialized member variable
From: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
commit 11b642b84e8c43e8597de031678d15c08dd057bc upstream.
This patch avoids that Coverity reports the following:
Using uninitialized value port_attr.state when calling printk
Fixes: commit 94232d9ce817 ("IPoIB: Start multicast join process only on active ports")
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Erez Shitrit <erezsh@xxxxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -563,8 +563,11 @@ void ipoib_mcast_join_task(struct work_s
if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags))
return;
- if (ib_query_port(priv->ca, priv->port, &port_attr) ||
- port_attr.state != IB_PORT_ACTIVE) {
+ if (ib_query_port(priv->ca, priv->port, &port_attr)) {
+ ipoib_dbg(priv, "ib_query_port() failed\n");
+ return;
+ }
+ if (port_attr.state != IB_PORT_ACTIVE) {
ipoib_dbg(priv, "port state is not ACTIVE (state = %d) suspending join task\n",
port_attr.state);
return;
Patches currently in stable-queue which might be from bart.vanassche@xxxxxxxxxxx are
queue-4.4/ib-mad-fix-an-array-index-check.patch
queue-4.4/ipoib-avoid-reading-an-uninitialized-member-variable.patch
queue-4.4/ib-multicast-check-ib_find_pkey-return-value.patch
queue-4.4/ib-cma-fix-a-race-condition-in-iboe_addr_get_sgid.patch
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