squashfs: fix use of uninitialised variable in zlib & xz decompressors

[platform/kernel/linux-arm64.git] / fs / squashfs / zlib_wrapper.c

diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
index 818a5e0..4661ae2 100644 (file)
--- a/fs/squashfs/zlib_wrapper.c
+++ b/fs/squashfs/zlib_wrapper.c
@@ -82,12 +82,6 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
                        if (!buffer_uptodate(bh[k]))
                                goto release_mutex;
 
-                       if (avail == 0) {
-                               offset = 0;
-                               put_bh(bh[k++]);
-                               continue;
-                       }
-
                        stream->next_in = bh[k]->b_data + offset;
                        stream->avail_in = avail;
                        offset = 0;