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592cbc0a6a
[ Upstream commit 6aa5a83a7e ]
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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.