Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus:
  Squashfs: Valid filesystems are flagged as bad by the corrupted fs patch

1 files changed, 4 insertions, 17 deletions

diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 321728f48f2d..2a7960310349 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -184,15 +184,7 @@ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index,
                                 offset = 0;
                         }
 
-                        if (msblk->stream.avail_out == 0) {
-                                if (page == pages) {
-                                        ERROR("zlib_inflate tried to "
-                                                "decompress too much data, "
-                                                "expected %d bytes.  Zlib "
-                                                "data probably corrupt\n",
-                                                srclength);
-                                        goto release_mutex;
-                                }
+                        if (msblk->stream.avail_out == 0 && page < pages) {
                                 msblk->stream.next_out = buffer[page++];
                                 msblk->stream.avail_out = PAGE_CACHE_SIZE;
                         }
@@ -209,25 +201,20 @@ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index,
                                 zlib_init = 1;
                         }
 
-                        zlib_err = zlib_inflate(&msblk->stream, Z_NO_FLUSH);
+                        zlib_err = zlib_inflate(&msblk->stream, Z_SYNC_FLUSH);
 
                         if (msblk->stream.avail_in == 0 && k < b)
                                 put_bh(bh[k++]);
                 } while (zlib_err == Z_OK);
 
                 if (zlib_err != Z_STREAM_END) {
-                        ERROR("zlib_inflate returned unexpected result"
-                                " 0x%x, srclength %d, avail_in %d,"
-                                " avail_out %d\n", zlib_err, srclength,
-                                msblk->stream.avail_in,
-                                msblk->stream.avail_out);
+                        ERROR("zlib_inflate error, data probably corrupt\n");
                         goto release_mutex;
                 }
 
                 zlib_err = zlib_inflateEnd(&msblk->stream);
                 if (zlib_err != Z_OK) {
-                        ERROR("zlib_inflateEnd returned unexpected result 0x%x,"
-                                " srclength %d\n", zlib_err, srclength);
+                        ERROR("zlib_inflate error, data probably corrupt\n");
                         goto release_mutex;
                 }
                 length = msblk->stream.total_out;