On 1 July 2013 22:32, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:
> It looks like commit 7628774 "mmc: core: Handle card shutdown from
> mmc_bus" causes a crash during "reboot" at least on Tegra platforms. The
> issue appears to be in:
>
>> static void mmc_bus_shutdown(struct device *dev)
>> {
>> struct mmc_driver *drv = to_mmc_driver(dev->driver);
>> struct mmc_card *card = mmc_dev_to_card(dev);
>> struct mmc_host *host = card->host;
>> int ret;
>>
>> drv->shutdown(card);
>
> Since drv == NULL.
>
> Is this expected (and hence there's a missing guard on that function
> call), or is the root-cause some other issue?
Hi Stephen,
It is expected that drv is NULL, and obviously needs to be a check for
it before calling it, my bad!
A fixup patch is on it's way asap.
Kind regards
Ulf Hansson
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