staging: erofs: add the missing break in z_erofs_map_blocks_iter

This patch adds a missing break after adding the default case.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c
index bd2d7a8d508560503d7f0d384633860e52d4ffc2..1030ca5c2dc33c4079c24d29e2e62eccad7ccb5d 100644 (file)
--- a/drivers/staging/erofs/unzip_vle.c
+++ b/drivers/staging/erofs/unzip_vle.c
@@ -1599,6 +1599,7 @@ int z_erofs_map_blocks_iter(struct inode *inode,
        case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
                if (ofs_rem >= logical_cluster_ofs)
                        map->m_flags ^= EROFS_MAP_ZIPPED;
+               /* fallthrough */
        case Z_EROFS_VLE_CLUSTER_TYPE_HEAD:
                if (ofs_rem == logical_cluster_ofs) {
                        pcn = le32_to_cpu(di->di_u.blkaddr);
@@ -1619,11 +1620,13 @@ int z_erofs_map_blocks_iter(struct inode *inode,
                        goto unmap_out;
                }
                end = (lcn-- * clustersize) | logical_cluster_ofs;
+               /* fallthrough */
        case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
                /* get the correspoinding first chunk */
                ofs = vle_get_logical_extent_head(inode, mpage_ret,
                        &kaddr, lcn, &pcn, &map->m_flags);
                mpage = *mpage_ret;
+               break;
        default:
                errln("unknown cluster type %u at offset %llu of nid %llu",
                        cluster_type, ofs, EROFS_V(inode)->nid);