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-rw-r--r--fs/btrfs/inode.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c846482e798..88f9df7bfda 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4233,6 +4233,11 @@ again:
map = kmap(page);
read_extent_buffer(leaf, map + pg_offset, ptr,
copy_size);
+ if (pg_offset + copy_size < PAGE_CACHE_SIZE) {
+ memset(map + pg_offset + copy_size, 0,
+ PAGE_CACHE_SIZE - pg_offset -
+ copy_size);
+ }
kunmap(page);
}
flush_dcache_page(page);