diff options
| author | Ben Collins <ben.collins@canonical.com> | 2008-06-05 19:10:21 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-05 19:14:17 -0400 |
| commit | 203c80187eba037f2d6562e0d5847014746726dd (patch) | |
| tree | 10b1d75a17760d866f7737245c328424e1a319bf /drivers | |
| parent | b2ab26ab28cfed076ee8a83627d008472f6ac54f (diff) | |
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')
| -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 @@ | |||
| 46 | #define MMC_SHIFT 3 | 46 | #define MMC_SHIFT 3 |
| 47 | #define MMC_NUM_MINORS (256 >> MMC_SHIFT) | 47 | #define MMC_NUM_MINORS (256 >> MMC_SHIFT) |
| 48 | 48 | ||
| 49 | static unsigned long dev_use[MMC_NUM_MINORS/(8*sizeof(unsigned long))]; | 49 | static DECLARE_BITMAP(dev_use, MMC_NUM_MINORS); |
| 50 | 50 | ||
| 51 | /* | 51 | /* |
| 52 | * There is one mmc_blk_data per slot. | 52 | * There is one mmc_blk_data per slot. |