Commit 203c8018 authored by Ben Collins's avatar Ben Collins Committed by Linus Torvalds

mmc: Fix crash in mmc_block on 64-bit

Fairly simple. "dev_use" was being allocated as a zero length array
because of bad math on 64-bit systems, causing a crash in
find_first_zero_bit(). One-liner follows:
Signed-off-by: default avatarBen Collins <ben.collins@canonical.com>
Acked-by: default avatarPierre Ossman <drzeus@drzeus.cx>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b2ab26ab
......@@ -46,7 +46,7 @@
#define MMC_SHIFT 3
#define MMC_NUM_MINORS (256 >> MMC_SHIFT)
static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))];
static DECLARE_BITMAP(dev_use, MMC_NUM_MINORS);
/*
* There is one mmc_blk_data per slot.
......
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