check_sha1_signature: check return value from read_istream

diff --git a/archive-zip.c b/archive-zip.c
index d3aef532b7e4b844f2ac9995b2e987d378737079..a8d119305ff5c0161e7239a8ad70a92c76122631 100644 (file)
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -240,7 +240,6 @@ static int write_zip_entry(struct archiver_args *args,
                        (mode & 0111) ? ((mode) << 16) : 0;
                if (S_ISREG(mode) && args->compression_level != 0 && size > 0)
                        method = 8;
-               compressed_size = (method == 0) ? size : 0;
 
                if (S_ISREG(mode) && type == OBJ_BLOB && !args->convert &&
                    size > big_file_threshold) {
@@ -259,6 +258,7 @@ static int write_zip_entry(struct archiver_args *args,
                        crc = crc32(crc, buffer, size);
                        out = buffer;
                }
+               compressed_size = (method == 0) ? size : 0;
        } else {
                return error("unsupported file mode: 0%o (SHA1: %s)", mode,
                                sha1_to_hex(sha1));