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| author |   Arend Van Spriel <arend.vanspriel@broadcom.com> | 2017-06-12 12:47:34 +0100 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2017-06-15 19:06:53 +0300 |
| commit | 7a51461fc2da82a6c565a3ee65c41c197f28225d (patch) | |
| tree | c40c8a7d19b4196c6583cee08af04c1adc5adc8e /arch/powerpc/perf/power9-pmu.c | |
| parent | brcmfmac: use firmware callback upon failure to load (diff) | |
| download | linux-dev-7a51461fc2da82a6c565a3ee65c41c197f28225d.tar.xz linux-dev-7a51461fc2da82a6c565a3ee65c41c197f28225d.zip | |
brcmfmac: unbind all devices upon failure in firmware callback
When request firmware fails, brcmf_ops_sdio_remove is being called and
brcmf_bus freed. In such circumstancies if you do a suspend/resume cycle
the kernel hangs on resume due a NULL pointer dereference in resume
function. So in brcmf_sdio_firmware_callback() we need to unbind the
driver from both sdio_func devices when firmware load failure is indicated.
Cc: stable@vger.kernel.org # 4.9.x-
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'arch/powerpc/perf/power9-pmu.c')
0 files changed, 0 insertions, 0 deletions