diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 81c0705558be..ddc6cdd1860b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -494,6 +494,8 @@ long bdev_direct_access(struct block_device *bdev, sector_t sector, avail = ops->direct_access(bdev, sector, addr, pfn); if (!avail) return -ERANGE; + if (avail > 0 && avail & ~PAGE_MASK) + return -ENXIO; return min(avail, size); } EXPORT_SYMBOL_GPL(bdev_direct_access); |