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brcmfmac: pcie: fix oops on failure to resume and reprobe
authorAhmad Fatoum <a.fatoum@pengutronix.de>
Tue, 17 Aug 2021 06:35:22 +0000 (08:35 +0200)
committerKalle Valo <kvalo@codeaurora.org>
Sun, 29 Aug 2021 11:45:29 +0000 (14:45 +0300)
commitd745ca4f2c4ae9f1bd8cf7d8ac6e22d739bffd19
treeea490165384662b6d047d6b7217e61b8f67c91b1
parent9fc8048c56f33e0e969844a2f1b1e89cf30ee5ba
brcmfmac: pcie: fix oops on failure to resume and reprobe

When resuming from suspend, brcmf_pcie_pm_leave_D3 will first attempt a
hot resume and then fall back to removing the PCI device and then
reprobing. If this probe fails, the kernel will oops, because brcmf_err,
which is called to report the failure will dereference the stale bus
pointer. Open code and use the default bus-less brcmf_err to avoid this.

Fixes: 8602e62441ab ("brcmfmac: pass bus to the __brcmf_err() in pcie.c")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210817063521.22450-1-a.fatoum@pengutronix.de
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c