[MTD] NAND Consolidate oobinfo handling

The info structure for out of band data was copied into
the mtd structure. Make it a pointer and remove the ability
to set it from userspace. The position of ecc bytes is
defined by the hardware and should not be changed by software.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 8 deletions

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 7a7df851c99..608f7af679c 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -512,16 +512,10 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
                 break;
         }
 
-        case MEMSETOOBSEL:
-        {
-                if (copy_from_user(&mtd->oobinfo, argp, sizeof(struct nand_oobinfo)))
-                        return -EFAULT;
-                break;
-        }
-
         case MEMGETOOBSEL:
         {
-                if (copy_to_user(argp, &(mtd->oobinfo), sizeof(struct nand_oobinfo)))
+                if (copy_to_user(argp, mtd->oobinfo,
+                                 sizeof(struct nand_oobinfo)))
                         return -EFAULT;
                 break;
         }