diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-09-10 08:35:40 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-10 08:35:40 +0200 |
| commit | 429b022af41108f6942d72547592b1d30e9a51f0 (patch) | |
| tree | 7d68355529718018cdad1241285816c6f64620b2 /drivers/mtd/mtdchar.c | |
| parent | rcuclassic: fix compiler warning (diff) | |
| parent | Linux 2.6.27-rc6 (diff) | |
| download | linux-429b022af41108f6942d72547592b1d30e9a51f0.tar.xz linux-429b022af41108f6942d72547592b1d30e9a51f0.zip | |
Merge commit 'v2.6.27-rc6' into core/rcu
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; } |