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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 11:15:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 11:15:30 -0800
commitab2020f2f11fc7fb81e6c71298b0830d85412011 (patch)
treec9a6342063461dcf31278d65585bca73bdda4a84 /drivers/mtd/mtdchar.c
parent235646a486d10891bd86af28d8eac75d9f22bd2d (diff)
parent154bf89f5e3e3dc59666926f27ca4a0866f39157 (diff)
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (59 commits) mtd: mtdpart: disallow reading OOB past the end of the partition mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe UBI: use mtd->writebufsize to set minimal I/O unit size mtd: initialize writebufsize in the MTD object of a partition mtd: onenand: add mtd->writebufsize initialization mtd: nand: add mtd->writebufsize initialization mtd: cfi: add writebufsize initialization mtd: add writebufsize field to mtd_info struct mtd: OneNAND: OMAP2/3: prevent regulator sleeping while OneNAND is in use mtd: OneNAND: add enable / disable methods to onenand_chip mtd: m25p80: Fix JEDEC ID for AT26DF321 mtd: txx9ndfmc: limit transfer bytes to 512 (ECC provides 6 bytes max) mtd: cfi_cmdset_0002: add support for Samsung K8D3x16UxC NOR chips mtd: cfi_cmdset_0002: add support for Samsung K8D6x16UxM NOR chips mtd: nand: ams-delta: drop omap_read/write, use ioremap mtd: m25p80: add debugging trace in sst_write mtd: nand: ams-delta: select for built-in by default mtd: OneNAND: lighten scary initial bad block messages mtd: OneNAND: OMAP2/3: add support for command line partitioning mtd: nand: rearrange ONFI revision checking, add ONFI 2.3 ... Fix up trivial conflict in drivers/mtd/Kconfig as per DavidW.
Diffstat (limited to 'drivers/mtd/mtdchar.c')
-rw-r--r--drivers/mtd/mtdchar.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 98240575a18..145b3d0dc0d 100644
--- 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;