4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit b4201cc4fc6e1c57d6d306b1f787865043d60129 ]

This fixes:

net/mac80211/mesh_hwmp.c:603:26: warning: ‘target_metric’ may be used 
uninitialized in this function

target_metric is only consumed when reply = true so no bug exists here,
but not all versions of gcc realize it.  Initialize to 0 to remove the
warning.

Signed-off-by: Jeff Mahoney <je...@suse.com>
Signed-off-by: Johannes Berg <johannes.b...@intel.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 net/mac80211/mesh_hwmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 33d5271a9e32..466922f09d04 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -530,7 +530,7 @@ static void hwmp_preq_frame_process(struct 
ieee80211_sub_if_data *sdata,
        const u8 *target_addr, *orig_addr;
        const u8 *da;
        u8 target_flags, ttl, flags;
-       u32 orig_sn, target_sn, lifetime, target_metric;
+       u32 orig_sn, target_sn, lifetime, target_metric = 0;
        bool reply = false;
        bool forward = true;
        bool root_is_gate;
-- 
2.19.1



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