Build currently fails with -Werror=maybe-uninitialized set:

net/wireless/nl80211.c: In function '__cfg80211_wdev_from_attrs':
net/wireless/nl80211.c:124:44: error: 'wdev_id' may be used
uninitialized in this function [-Werror=maybe-uninitialized]

Easy fix is to just initialize wdev_id to 0, since it's value doesn't
otherwise matter unless have_wdev_id is true.

Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver")
CC: Johannes Berg <johan...@sipsolutions.net>
CC: "David S. Miller" <da...@davemloft.net>
CC: Jakub Kicinski <k...@kernel.org>
CC: linux-wirel...@vger.kernel.org
CC: net...@vger.kernel.org
Signed-off-by: Jarod Wilson <ja...@redhat.com>
---
 net/wireless/nl80211.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 521d36bb0803..a157783760c7 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -70,7 +70,7 @@ __cfg80211_wdev_from_attrs(struct cfg80211_registered_device 
*rdev,
        struct wireless_dev *result = NULL;
        bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
        bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
-       u64 wdev_id;
+       u64 wdev_id = 0;
        int wiphy_idx = -1;
        int ifidx = -1;
 
-- 
2.29.2

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