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| author | Ben Collins | 2008-06-06 01:10:21 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-06-06 01:14:17 +0200 |
| commit | 203c80187eba037f2d6562e0d5847014746726dd (patch) | |
| tree | 10b1d75a17760d866f7737245c328424e1a319bf /drivers/mmc/card | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb (diff) | |
| download | kernel-qcow2-linux-203c80187eba037f2d6562e0d5847014746726dd.tar.gz kernel-qcow2-linux-203c80187eba037f2d6562e0d5847014746726dd.tar.xz kernel-qcow2-linux-203c80187eba037f2d6562e0d5847014746726dd.zip | |
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')
| -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 91ded3e82401..f9ad960d7c1a 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. |