From: Wolfram Sang <wsa@the-dreams.de>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: wsa+renesas@sang-engineering.com, ulf.hansson@linaro.org,
linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 2/2] mmc: renesas_sdhi: fix kernel panic in _internal_dmac.c
Date: Fri, 20 Oct 2017 06:00:48 +0200 [thread overview]
Message-ID: <20171020040048.earbuflcoeur2wo2@ninjato> (raw)
In-Reply-To: <1508469162-12322-3-git-send-email-yoshihiro.shimoda.uh@renesas.com>
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On Fri, Oct 20, 2017 at 12:12:42PM +0900, Yoshihiro Shimoda wrote:
> Since this driver checks if the return value of dma_map_sg() is minus
> or not and keeps to enable the DMAC, it may cause kernel panic when
> the dma_map_sg() returns 0. So, this patch fixes the issue.
>
> Reported-by: Dirk Behme <dirk.behme@de.bosch.com>
> Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2017-10-20 4:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-20 3:12 [PATCH v2 0/2] mmc: renesas_sdhi and tmio: bugfixes for v4.14 Yoshihiro Shimoda
2017-10-20 3:12 ` [PATCH v2 1/2] mmc: tmio: fix swiotlb buffer is full Yoshihiro Shimoda
2017-10-20 4:00 ` Wolfram Sang
2017-10-20 7:29 ` Geert Uytterhoeven
2017-10-20 3:12 ` [PATCH v2 2/2] mmc: renesas_sdhi: fix kernel panic in _internal_dmac.c Yoshihiro Shimoda
2017-10-20 4:00 ` Wolfram Sang [this message]
2017-10-20 10:03 ` [PATCH v2 0/2] mmc: renesas_sdhi and tmio: bugfixes for v4.14 Ulf Hansson
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