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authorJarod Wilson <jarod@redhat.com>2021-03-12 11:36:51 -0500
committerJohannes Berg <johannes.berg@intel.com>2021-03-16 21:20:47 +0100
commit239729a21e528466d02f5558936306ffa9314ad1 (patch)
treef9c4d72d0c3e55aa95cdb84598a29454905af23b /net/wireless
parent041c881a0ba8a75f71118bd9766b78f04beed469 (diff)
wireless/nl80211: fix wdev_id may be used uninitialized
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 <johannes@sipsolutions.net> CC: "David S. Miller" <davem@davemloft.net> CC: Jakub Kicinski <kuba@kernel.org> CC: linux-wireless@vger.kernel.org CC: netdev@vger.kernel.org Signed-off-by: Jarod Wilson <jarod@redhat.com> Link: https://lore.kernel.org/r/20210312163651.1398207-1-jarod@redhat.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ae6097fff133..034af85f79d8 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;