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MMC: OMAP: Check the get_cover_state function pointer if not set 

If the get_cover_state is not set, it occurs the oops.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Kyungmin Park 2008-03-26 16:09:38 -04:00 committed by Pierre Ossman
parent 01e77e13fc
commit 8348f0029d
1 changed files with 4 additions and 1 deletions
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5
drivers/mmc/host/omap.c
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@ -236,7 +236,10 @@ static void mmc_omap_release_slot(struct mmc_omap_slot *slot)
static inline
int mmc_omap_cover_is_open(struct mmc_omap_slot *slot)
{
return slot->pdata->get_cover_state(mmc_dev(slot->mmc), slot->id);
if (slot->pdata->get_cover_state)
return slot->pdata->get_cover_state(mmc_dev(slot->mmc),
slot->id);
return 0;
}
static ssize_t