mirror of https://github.com/torvalds/linux.git
f5cecf1d4c
Fix warnings produced by:
- lockdep_assert_wiphy() in function reg_process_self_managed_hint(),
- wiphy_dereference() in function iwl_mvm_init_fw_regd().
Both function are expected to be called in critical section.
The warnings were discovered when running v5.15 kernel
with debug options enabled:
1)
Hardware name: Google Delbin/Delbin
RIP: 0010:reg_process_self_managed_hint+0x254/0x347 [cfg80211]
...
Call Trace:
regulatory_set_wiphy_regd_sync+0x3d/0xb0
iwl_mvm_init_mcc+0x49d/0x5a2
iwl_op_mode_mvm_start+0x1b58/0x2507
? iwl_mvm_reprobe_wk+0x94/0x94
_iwl_op_mode_start+0x146/0x1a3
iwl_opmode_register+0xda/0x13d
init_module+0x28/0x1000
2)
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c:263 suspicious rcu_dereference_protected() usage!
...
Hardware name: Google Delbin/Delbin, BIOS Google_Delbin
Call Trace:
dump_stack_lvl+0xb1/0xe6
iwl_mvm_init_fw_regd+0x2e7/0x379
iwl_mvm_init_mcc+0x2c6/0x5a2
iwl_op_mode_mvm_start+0x1b58/0x2507
? iwl_mvm_reprobe_wk+0x94/0x94
_iwl_op_mode_start+0x146/0x1a3
iwl_opmode_register+0xda/0x13d
init_module+0x28/0x100
Fixes:
|
||
|---|---|---|
| .. | ||
| Makefile | ||
| binding.c | ||
| coex.c | ||
| constants.h | ||
| d3.c | ||
| debugfs-vif.c | ||
| debugfs.c | ||
| debugfs.h | ||
| ftm-initiator.c | ||
| ftm-responder.c | ||
| fw-api.h | ||
| fw.c | ||
| led.c | ||
| mac-ctxt.c | ||
| mac80211.c | ||
| mvm.h | ||
| nvm.c | ||
| offloading.c | ||
| ops.c | ||
| phy-ctxt.c | ||
| power.c | ||
| quota.c | ||
| rfi.c | ||
| rs-fw.c | ||
| rs.c | ||
| rs.h | ||
| rx.c | ||
| rxmq.c | ||
| scan.c | ||
| sf.c | ||
| sta.c | ||
| sta.h | ||
| tdls.c | ||
| testmode.h | ||
| time-event.c | ||
| time-event.h | ||
| tt.c | ||
| tx.c | ||
| utils.c | ||