From: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
To: linux-mmc@vger.kernel.org
Cc: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
Subject: [PATCH 0/1] mmc: sdhci: check host->cmd is null or not in sdhci_cqe_irq()
Date: Wed, 31 Aug 2022 20:43:58 +0800 [thread overview]
Message-ID: <20220831124359.2005165-1-paulliu@debian.org> (raw)
From: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
If we don't check host->cmd. We will get the following oops
when booting from eMMC on RockPi4.
Unable to handle kernel read from unreadable memory at
virtual address 0000000000000000
Call trace:
sdhci_cqe_irq+0x40/0x254
Ying-Chun Liu (PaulLiu) (1):
mmc: sdhci: check host->cmd is null or not in sdhci_cqe_irq()
drivers/mmc/host/sdhci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--
2.35.1
next reply other threads:[~2022-08-31 12:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-31 12:43 Ying-Chun Liu (PaulLiu) [this message]
2022-08-31 12:43 ` [PATCH 1/1] mmc: sdhci: check host->cmd is null or not in sdhci_cqe_irq() Ying-Chun Liu (PaulLiu)
2022-09-07 7:05 ` Adrian Hunter
2022-09-07 10:03 ` Ulf Hansson
2022-09-07 11:03 ` Adrian Hunter
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