From 2a73387f1c342808c4939305f019deea9245ff25 Mon Sep 17 00:00:00 2001 From: Mark Johnston Date: Sun, 29 Dec 2019 20:57:49 +0000 Subject: [PATCH] powerd(8): Fix a memory leak when we fail to read frequency levels. PR: 242967 Submitted by: Hans Christian Woithe MFC after: 3 days --- usr.sbin/powerd/powerd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/usr.sbin/powerd/powerd.c b/usr.sbin/powerd/powerd.c index 974e3195476b..22aafa2005a9 100644 --- a/usr.sbin/powerd/powerd.c +++ b/usr.sbin/powerd/powerd.c @@ -196,8 +196,10 @@ read_freqs(int *numfreqs, int **freqs, int **power, int minfreq, int maxfreq) return (-1); if ((freqstr = malloc(len)) == NULL) return (-1); - if (sysctl(levels_mib, 4, freqstr, &len, NULL, 0)) + if (sysctl(levels_mib, 4, freqstr, &len, NULL, 0)) { + free(freqstr); return (-1); + } *numfreqs = 1; for (p = freqstr; *p != '\0'; p++)