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authorPaolo Abeni <pabeni@redhat.com>2025-03-13 23:01:29 +0100
committerPaolo Abeni <pabeni@redhat.com>2025-03-13 23:08:11 +0100
commit941defcea7e11ad7ff8f0d4856716dd637d757dd (patch)
treeb189ce7b72cdded5713ba5b410e87c922ce1b4ee /net/mac80211/sta_info.c
parent89d75c4c67aca1573aff905e72131a10847c5fda (diff)
parent4003c9e78778e93188a09d6043a74f7154449d43 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.14-rc6). Conflicts: tools/testing/selftests/drivers/net/ping.py 75cc19c8ff89 ("selftests: drv-net: add xdp cases for ping.py") de94e8697405 ("selftests: drv-net: store addresses in dict indexed by ipver") https://lore.kernel.org/netdev/20250311115758.17a1d414@canb.auug.org.au/ net/core/devmem.c a70f891e0fa0 ("net: devmem: do not WARN conditionally after netdev_rx_queue_restart()") 1d22d3060b9b ("net: drop rtnl_lock for queue_mgmt operations") https://lore.kernel.org/netdev/20250313114929.43744df1@canb.auug.org.au/ Adjacent changes: tools/testing/selftests/net/Makefile 6f50175ccad4 ("selftests: Add IPv6 link-local address generation tests for GRE devices.") 2e5584e0f913 ("selftests/net: expand cmsg_ipv6.sh with ipv4") drivers/net/ethernet/broadcom/bnxt/bnxt.c 661958552eda ("eth: bnxt: do not use BNXT_VNIC_NTUPLE unconditionally in queue restart logic") fe96d717d38e ("bnxt_en: Extend queue stop/start for TX rings") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
-rw-r--r--net/mac80211/sta_info.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index a4b4506cd35b..30cdc783999d 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -4,7 +4,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2023 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
*/
#include <linux/module.h>
@@ -1335,9 +1335,13 @@ static int _sta_info_move_state(struct sta_info *sta,
sta->sta.addr, new_state);
/* notify the driver before the actual changes so it can
- * fail the transition
+ * fail the transition if the state is increasing.
+ * The driver is required not to fail when the transition
+ * is decreasing the state, so first, do all the preparation
+ * work and only then, notify the driver.
*/
- if (test_sta_flag(sta, WLAN_STA_INSERTED)) {
+ if (new_state > sta->sta_state &&
+ test_sta_flag(sta, WLAN_STA_INSERTED)) {
int err = drv_sta_state(sta->local, sta->sdata, sta,
sta->sta_state, new_state);
if (err)
@@ -1413,6 +1417,16 @@ static int _sta_info_move_state(struct sta_info *sta,
break;
}
+ if (new_state < sta->sta_state &&
+ test_sta_flag(sta, WLAN_STA_INSERTED)) {
+ int err = drv_sta_state(sta->local, sta->sdata, sta,
+ sta->sta_state, new_state);
+
+ WARN_ONCE(err,
+ "Driver is not allowed to fail if the sta_state is transitioning down the list: %d\n",
+ err);
+ }
+
sta->sta_state = new_state;
return 0;