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brcmfmac: Fix warning message after dongle setup failed
[ Upstream commit 6aa5a83 ] Brcmfmac showed warning message in fweh.c when checking the size of event queue which is not initialized. Therefore, we only cancel the worker and reset event handler only when it is initialized. [ 145.505899] brcmfmac 0000:02:00.0: brcmf_pcie_setup: Dongle setup [ 145.929970] ------------[ cut here ]------------ [ 145.929994] WARNING: CPU: 0 PID: 288 at drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c:312 brcmf_fweh_detach+0xbc/0xd0 [brcmfmac] ... [ 145.930029] Call Trace: [ 145.930036] brcmf_detach+0x77/0x100 [brcmfmac] [ 145.930043] brcmf_pcie_remove+0x79/0x130 [brcmfmac] [ 145.930046] pci_device_remove+0x39/0xc0 [ 145.930048] device_release_driver_internal+0x141/0x200 [ 145.930049] device_release_driver+0x12/0x20 [ 145.930054] brcmf_pcie_setup+0x101/0x3c0 [brcmfmac] [ 145.930060] brcmf_fw_request_done+0x11d/0x1f0 [brcmfmac] [ 145.930062] ? lock_timer_base+0x7d/0xa0 [ 145.930063] ? internal_add_timer+0x1f/0xa0 [ 145.930064] ? add_timer+0x11a/0x1d0 [ 145.930066] ? __kmalloc_track_caller+0x18c/0x230 [ 145.930068] ? kstrdup_const+0x23/0x30 [ 145.930069] ? add_dr+0x46/0x80 [ 145.930070] ? devres_add+0x3f/0x50 [ 145.930072] ? usermodehelper_read_unlock+0x15/0x20 [ 145.930073] ? _request_firmware+0x288/0xa20 [ 145.930075] request_firmware_work_func+0x36/0x60 [ 145.930077] process_one_work+0x144/0x360 [ 145.930078] worker_thread+0x4d/0x3c0 [ 145.930079] kthread+0x112/0x150 [ 145.930080] ? rescuer_thread+0x340/0x340 [ 145.930081] ? kthread_park+0x60/0x60 [ 145.930083] ret_from_fork+0x25/0x30 Signed-off-by: Wright Feng <wright.feng@cypress.com> Signed-off-by: Chi-hsien Lin <chi-hsien.lin@cypress.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200928054922.44580-3-wright.feng@cypress.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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