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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-03 11:52:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-03 11:52:33 +0100 |
| commit | 56f68556d7bbb51dd158c74deb09c783345bfbbd (patch) | |
| tree | 536e6e3c7063b1eee927194dda257602bd3dc66f /drivers/mtd/mtdchar.c | |
| parent | fd9470ce3ac6fb54d6026e4b1cdab0936e34805e (diff) | |
| parent | 7c8ad9828e793573877fd60868bb5d2f1e3b64da (diff) | |
Merge unstable branch 'omap-rmk'
Merge branch 'omap-rmk' into omap-all
Diffstat (limited to 'drivers/mtd/mtdchar.c')
| -rw-r--r-- | drivers/mtd/mtdchar.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index d2f331876e4c..e00d424e6575 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -410,16 +410,20 @@ static int mtd_ioctl(struct inode *inode, struct file *file, case MEMGETREGIONINFO: { - struct region_info_user ur; + uint32_t ur_idx; + struct mtd_erase_region_info *kr; + struct region_info_user *ur = (struct region_info_user *) argp; - if (copy_from_user(&ur, argp, sizeof(struct region_info_user))) + if (get_user(ur_idx, &(ur->regionindex))) return -EFAULT; - if (ur.regionindex >= mtd->numeraseregions) - return -EINVAL; - if (copy_to_user(argp, &(mtd->eraseregions[ur.regionindex]), - sizeof(struct mtd_erase_region_info))) + kr = &(mtd->eraseregions[ur_idx]); + + if (put_user(kr->offset, &(ur->offset)) + || put_user(kr->erasesize, &(ur->erasesize)) + || put_user(kr->numblocks, &(ur->numblocks))) return -EFAULT; + break; } |