27c9d80f51
Some checks failed
Build Kernel / Build all affected Kernels (push) Has been cancelled
Build all core packages / Build all core packages for selected target (push) Has been cancelled
Build and Push prebuilt tools container / Build and Push all prebuilt containers (push) Has been cancelled
Build Toolchains / Build Toolchains for each target (push) Has been cancelled
Build host tools / Build host tools for linux and macos based systems (push) Has been cancelled
Coverity scan build / Coverity x86/64 build (push) Has been cancelled
30 lines
796 B
Diff
30 lines
796 B
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Date: Wed, 3 Jul 2024 12:10:01 +0200
|
|
Subject: [PATCH] wifi: mac80211: clear vif drv_priv after calling
|
|
remove_interface
|
|
|
|
Avoid reusing stale driver data when an interface is brought down and up
|
|
again. In order to avoid having to duplicate the memset in every single
|
|
driver, do it here.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
|
|
--- a/net/mac80211/iface.c
|
|
+++ b/net/mac80211/iface.c
|
|
@@ -693,8 +693,12 @@ static void ieee80211_do_stop(struct iee
|
|
|
|
fallthrough;
|
|
default:
|
|
- if (going_down)
|
|
- drv_remove_interface(local, sdata);
|
|
+ if (!going_down)
|
|
+ break;
|
|
+ drv_remove_interface(local, sdata);
|
|
+
|
|
+ /* Clear private driver data to prevent reuse */
|
|
+ memset(sdata->vif.drv_priv, 0, local->hw.vif_data_size);
|
|
}
|
|
|
|
ieee80211_recalc_ps(local);
|