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path: root/drivers/mtd/mtdchar.c
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Diffstat (limited to 'drivers/mtd/mtdchar.c')
-rw-r--r--drivers/mtd/mtdchar.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index fdc535b22e39..5dd0b8d72c8b 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -380,6 +380,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
380 void __user *argp = (void __user *)arg; 380 void __user *argp = (void __user *)arg;
381 int ret = 0; 381 int ret = 0;
382 u_long size; 382 u_long size;
383 struct mtd_info_user info;
383 384
384 DEBUG(MTD_DEBUG_LEVEL0, "MTD_ioctl\n"); 385 DEBUG(MTD_DEBUG_LEVEL0, "MTD_ioctl\n");
385 386
@@ -415,7 +416,15 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
415 } 416 }
416 417
417 case MEMGETINFO: 418 case MEMGETINFO:
418 if (copy_to_user(argp, mtd, sizeof(struct mtd_info_user))) 419 info.type = mtd->type;
420 info.flags = mtd->flags;
421 info.size = mtd->size;
422 info.erasesize = mtd->erasesize;
423 info.writesize = mtd->writesize;
424 info.oobsize = mtd->oobsize;
425 info.ecctype = mtd->ecctype;
426 info.eccsize = mtd->eccsize;
427 if (copy_to_user(argp, &info, sizeof(struct mtd_info_user)))
419 return -EFAULT; 428 return -EFAULT;
420 break; 429 break;
421 430