Merge git://git.infradead.org/mtd-2.6

[cascardo/linux.git] / drivers / mtd / mtdchar.c

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 9824057..145b3d0 100644 (file)
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -522,10 +522,6 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
 
-       /* Only master mtd device must be used to control partitions */
-       if (!mtd_is_master(mtd))
-               return -EINVAL;
-
        if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg)))
                return -EFAULT;
 
@@ -535,6 +531,10 @@ static int mtd_blkpg_ioctl(struct mtd_info *mtd,
        switch (a.op) {
        case BLKPG_ADD_PARTITION:
 
+               /* Only master mtd device must be used to add partitions */
+               if (mtd_is_partition(mtd))
+                       return -EINVAL;
+
                return mtd_add_partition(mtd, p.devname, p.start, p.length);
 
        case BLKPG_DEL_PARTITION:
@@ -601,6 +601,7 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
        }
 
        case MEMGETINFO:
+               memset(&info, 0, sizeof(info));
                info.type       = mtd->type;
                info.flags      = mtd->flags;
                info.size       = mtd->size;
@@ -609,7 +610,6 @@ static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
                info.oobsize    = mtd->oobsize;
                /* The below fields are obsolete */
                info.ecctype    = -1;
-               info.eccsize    = 0;
                if (copy_to_user(argp, &info, sizeof(struct mtd_info_user)))
                        return -EFAULT;
                break;