Rafał Miłecki 5d26a6a615 brcmfmac: disable PCIe interrupts before bus reset ... Keeping interrupts on could result in brcmfmac freeing some resources and then IRQ handlers trying to use them. That was obviously a straight path for crashing a kernel. Example: CPU0 CPU1 ---- ---- brcmf_pcie_reset brcmf_pcie_bus_console_read brcmf_detach ... brcmf_fweh_detach brcmf_proto_detach brcmf_pcie_isr_thread ... brcmf_proto_msgbuf_rx_trigger ... drvr->proto->pd brcmf_pcie_release_irq [ 363.789218] Unable to handle kernel NULL pointer dereference at virtual address 00000038 [ 363.797339] pgd = c0004000 [ 363.800050] [00000038] *pgd=00000000 [ 363.803635] Internal error: Oops: 17 [#1] SMP ARM (...) [ 364.029209] Backtrace: [ 364.031725] [<bf243838>] (brcmf_proto_msgbuf_rx_trigger [brcmfmac]) from [<bf2471dc>] (brcmf_pcie_isr_thread+0x228/0x274 [brcmfmac]) [ 364.043662] r7:00000001 r6:c8ca0000 r5:00010000 r4:c7b4f800 Fixes: 4684997d9e ("brcmfmac: reset PCIe bus on a firmware crash") Cc: stable@vger.kernel.org # v5.2+ Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>		2019-11-20 09:45:35 +02:00
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brcmfmac	brcmfmac: disable PCIe interrupts before bus reset	2019-11-20 09:45:35 +02:00
brcmsmac	brcmsmac: remove unnecessary return	2019-11-15 14:23:22 +02:00
brcmutil	brcmutil: switch source files to using SPDX license identifier	2019-05-28 15:24:10 +03:00
include	brcmfmac: add support for SAE authentication offload	2019-10-04 16:45:51 +03:00
Kconfig	brcm80211: select WANT_DEV_COREDUMP conditionally for brcmfmac	2019-05-28 15:24:15 +03:00
Makefile	brcmfmac: switch source files to using SPDX license identifier	2019-05-28 15:24:12 +03:00