Hi Ben,
On Thu, Sep 23, 2010 at 04:22:05PM +0200, Marek Szyprowski wrote:
> If not all clocks has been defined in platform data, driver will cause
> a null pointer dereference when it is being removed. This patch fixes
> this issue.
>
> Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
> ---
> drivers/mmc/host/sdhci-s3c.c | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index 71ad416..757d92c 100644
> --- a/drivers/mmc/host/sdhci-s3c.c
> +++ b/drivers/mmc/host/sdhci-s3c.c
> @@ -481,8 +481,10 @@ static int __devexit sdhci_s3c_remove(struct
> platform_device *pdev)
> sdhci_remove_host(host, 1);
>
> for (ptr = 0; ptr < 3; ptr++) {
> - clk_disable(sc->clk_bus[ptr]);
> - clk_put(sc->clk_bus[ptr]);
> + if (sc->clk_bus[ptr]) {
> + clk_disable(sc->clk_bus[ptr]);
> + clk_put(sc->clk_bus[ptr]);
> + }
> }
> clk_disable(sc->clk_io);
> clk_put(sc->clk_io);
I'll send this to Linus for .36 after you reply with an ACK.
Thanks,
--
Chris Ball <c...@laptop.org> <http://printf.net/>
One Laptop Per Child
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