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From 50f0e2315d0c22d2e98e53ff02e7ae2412463e9a 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: Mon, 14 Oct 2013 19:15:24 -0400
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Subject: [PATCH] Fix bad assert in show_pid_array
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This function should get the same treatment as other qsort uses
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did in 7ff7394 "Never call qsort on potentially NULL arrays".
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Reported-by: Oleksii Shevchuk <alxchk@gmail.com>
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---
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src/shared/cgroup-show.c | 4 +---
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1 file changed, 1 insertion(+), 3 deletions(-)
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diff --git a/src/shared/cgroup-show.c b/src/shared/cgroup-show.c
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index cc44ab4..aa0f017 100644
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--- a/src/shared/cgroup-show.c
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+++ b/src/shared/cgroup-show.c
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@@ -44,8 +44,6 @@ static void show_pid_array(int pids[], unsigned n_pids, const char *prefix, unsi
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unsigned i, m, pid_width;
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pid_t biggest = 0;
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- assert(n_pids > 0);
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-
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/* Filter duplicates */
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m = 0;
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for (i = 0; i < n_pids; i++) {
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@@ -65,7 +63,7 @@ static void show_pid_array(int pids[], unsigned n_pids, const char *prefix, unsi
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pid_width = DECIMAL_STR_WIDTH(biggest);
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/* And sort */
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- qsort(pids, n_pids, sizeof(pid_t), compare);
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+ qsort_safe(pids, n_pids, sizeof(pid_t), compare);
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if(flags & OUTPUT_FULL_WIDTH)
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n_columns = 0;
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