Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
[pandora-kernel.git] / drivers / mtd / mtdchar.c
index 129d429..d2f3318 100644 (file)
@@ -1,6 +1,4 @@
 /*
- * $Id: mtdchar.c,v 1.76 2005/11/07 11:14:20 gleixner Exp $
- *
  * Character-device access to raw MTD devices.
  *
  */
@@ -28,10 +26,13 @@ static void mtd_notify_add(struct mtd_info* mtd)
        if (!mtd)
                return;
 
-       device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2), "mtd%d", mtd->index);
+       device_create_drvdata(mtd_class, NULL,
+                             MKDEV(MTD_CHAR_MAJOR, mtd->index*2),
+                             NULL, "mtd%d", mtd->index);
 
-       device_create(mtd_class, NULL,
-                     MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), "mtd%dro", mtd->index);
+       device_create_drvdata(mtd_class, NULL,
+                             MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1),
+                             NULL, "mtd%dro", mtd->index);
 }
 
 static void mtd_notify_remove(struct mtd_info* mtd)
@@ -491,6 +492,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
        {
                struct mtd_oob_buf buf;
                struct mtd_oob_ops ops;
+               struct mtd_oob_buf __user *user_buf = argp;
                uint32_t retlen;
 
                if(!(file->f_mode & 2))
@@ -534,8 +536,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
                if (ops.oobretlen > 0xFFFFFFFFU)
                        ret = -EOVERFLOW;
                retlen = ops.oobretlen;
-               if (copy_to_user(&((struct mtd_oob_buf *)argp)->length,
-                                &retlen, sizeof(buf.length)))
+               if (copy_to_user(&user_buf->length, &retlen, sizeof(buf.length)))
                        ret = -EFAULT;
 
                kfree(ops.oobbuf);
@@ -589,29 +590,29 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 
        case MEMLOCK:
        {
-               struct erase_info_user info;
+               struct erase_info_user einfo;
 
-               if (copy_from_user(&info, argp, sizeof(info)))
+               if (copy_from_user(&einfo, argp, sizeof(einfo)))
                        return -EFAULT;
 
                if (!mtd->lock)
                        ret = -EOPNOTSUPP;
                else
-                       ret = mtd->lock(mtd, info.start, info.length);
+                       ret = mtd->lock(mtd, einfo.start, einfo.length);
                break;
        }
 
        case MEMUNLOCK:
        {
-               struct erase_info_user info;
+               struct erase_info_user einfo;
 
-               if (copy_from_user(&info, argp, sizeof(info)))
+               if (copy_from_user(&einfo, argp, sizeof(einfo)))
                        return -EFAULT;
 
                if (!mtd->unlock)
                        ret = -EOPNOTSUPP;
                else
-                       ret = mtd->unlock(mtd, info.start, info.length);
+                       ret = mtd->unlock(mtd, einfo.start, einfo.length);
                break;
        }
 
@@ -711,15 +712,15 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 
        case OTPLOCK:
        {
-               struct otp_info info;
+               struct otp_info oinfo;
 
                if (mfi->mode != MTD_MODE_OTP_USER)
                        return -EINVAL;
-               if (copy_from_user(&info, argp, sizeof(info)))
+               if (copy_from_user(&oinfo, argp, sizeof(oinfo)))
                        return -EFAULT;
                if (!mtd->lock_user_prot_reg)
                        return -EOPNOTSUPP;
-               ret = mtd->lock_user_prot_reg(mtd, info.start, info.length);
+               ret = mtd->lock_user_prot_reg(mtd, oinfo.start, oinfo.length);
                break;
        }
 #endif