Blame SOURCES/0780-journal-verify-add-comment-and-silence-LGTM-warning.patch
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From d58e871a424fedf286747816e9525fc2287bb72d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Tue, 2 Oct 2018 12:26:23 +0200
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Subject: [PATCH] journal-verify: add comment and silence LGTM warning
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(cherry picked from commit 0a587335d2a16a48479b10969491a7353d78c25b)
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Resolves: #1694605
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---
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src/journal/journal-verify.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/src/journal/journal-verify.c b/src/journal/journal-verify.c
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index 250d4c7586..7c6d8ab780 100644
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--- a/src/journal/journal-verify.c
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+++ b/src/journal/journal-verify.c
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@@ -70,10 +70,11 @@ static void draw_progress(uint64_t p, usec_t *last_usec) {
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}
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static uint64_t scale_progress(uint64_t scale, uint64_t p, uint64_t m) {
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+ /* Calculates scale * p / m, but handles m == 0 safely, and saturates.
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+ * Currently all callers use m >= 1, but we keep the check to be defensive.
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+ */
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- /* Calculates scale * p / m, but handles m == 0 safely, and saturates */
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-
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- if (p >= m || m == 0)
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+ if (p >= m || m == 0) // lgtm[cpp/constant-comparison]
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return scale;
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return scale * p / m;
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