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-rw-r--r--block/compat_ioctl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 119f07b74dc0..58c6ee5b010c 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -744,13 +744,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
744 bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE; 744 bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
745 return 0; 745 return 0;
746 case BLKGETSIZE: 746 case BLKGETSIZE:
747 size = bdev->bd_inode->i_size; 747 size = i_size_read(bdev->bd_inode);
748 if ((size >> 9) > ~0UL) 748 if ((size >> 9) > ~0UL)
749 return -EFBIG; 749 return -EFBIG;
750 return compat_put_ulong(arg, size >> 9); 750 return compat_put_ulong(arg, size >> 9);
751 751
752 case BLKGETSIZE64_32: 752 case BLKGETSIZE64_32:
753 return compat_put_u64(arg, bdev->bd_inode->i_size); 753 return compat_put_u64(arg, i_size_read(bdev->bd_inode));
754 754
755 case BLKTRACESETUP32: 755 case BLKTRACESETUP32:
756 case BLKTRACESTART: /* compatible */ 756 case BLKTRACESTART: /* compatible */