diff options
author | Ben Collins <ben.collins@canonical.com> | 2008-06-05 23:10:21 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-05 23:14:17 (GMT) |
commit | 203c80187eba037f2d6562e0d5847014746726dd (patch) | |
tree | 10b1d75a17760d866f7737245c328424e1a319bf /drivers/mmc/card/block.c | |
parent | b2ab26ab28cfed076ee8a83627d008472f6ac54f (diff) | |
download | linux-fsl-qoriq-203c80187eba037f2d6562e0d5847014746726dd.tar.xz |
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: Ben Collins <ben.collins@canonical.com>
Acked-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r-- | drivers/mmc/card/block.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 91ded3e..f9ad960 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -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. |