36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From patchwork Tue Mar 27 17:53:55 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [U-Boot] mmc: mv_sdhci: zero out sdhci_host structure
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X-Patchwork-Submitter: Matt Pelland <mpelland@starry.com>
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X-Patchwork-Id: 891784
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Message-Id: <20180327175355.29633-1-mpelland@starry.com>
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To: u-boot@lists.denx.de
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Date: Tue, 27 Mar 2018 13:53:55 -0400
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From: Matt Pelland <mpelland@starry.com>
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List-Id: U-Boot discussion <u-boot.lists.denx.de>
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The mv_sdhci driver was not zeroing the sdhci_host structure it
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allocates causing random access violations in parts of the mmc core
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where the "ops" member pointers are checked and called if not NULL.
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Signed-off-by: Matt Pelland <mpelland@starry.com>
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---
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drivers/mmc/mv_sdhci.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c
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index 69aa87babe..afc03f75a0 100644
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--- a/drivers/mmc/mv_sdhci.c
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+++ b/drivers/mmc/mv_sdhci.c
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@@ -74,6 +74,8 @@ int mv_sdh_init(unsigned long regbase, u32 max_clk, u32 min_clk, u32 quirks)
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return -ENOMEM;
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}
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+ memset(host, 0, sizeof(struct sdhci_host));
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+
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host->name = MVSDH_NAME;
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host->ioaddr = (void *)regbase;
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host->quirks = quirks;
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