From 89d36ce8f73990959032b78d1afb939cd6b5e843 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Thu, 27 Aug 2020 14:02:33 +0900 Subject: [PATCH] journal: fix divide-by-zero warning Fixes CID#1430209. --- src/journal/compress.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/src/journal/compress.c b/src/journal/compress.c index a59c2b7a883..852f9e07bab 100644 --- a/src/journal/compress.c +++ b/src/journal/compress.c @@ -927,11 +927,12 @@ int compress_stream_zstd(int fdf, int fdt, uint64_t max_bytes) { break; } - log_debug( - "ZSTD compression finished (%" PRIu64 " -> %" PRIu64 " bytes, %.1f%%)", - in_bytes, - max_bytes - left, - (double) (max_bytes - left) / in_bytes * 100); + if (in_bytes > 0) + log_debug("ZSTD compression finished (%" PRIu64 " -> %" PRIu64 " bytes, %.1f%%)", + in_bytes, max_bytes - left, (double) (max_bytes - left) / in_bytes * 100); + else + log_debug("ZSTD compression finished (%" PRIu64 " -> %" PRIu64 " bytes)", + in_bytes, max_bytes - left); return 0; #else -- 2.47.3