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Subject[PATCH 13/18] MMC: OMAP: Check the get_cover_state function pointer if not set
From: Kyungmin Park <kyungmin.park@samsung.com>

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>
---
drivers/mmc/host/omap.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 9ac1066..0e7ceb0 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -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
-- 1.5.3.GIT


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