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Merge pull request #156 from yeyunfeng-dev/master

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Add strlen checking for IRQBALANCE_BANNED_CPUS
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Neil Horman 2020-07-24 07:05:54 -04:00 • committed by GitHub
commit 9473b035ff
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1 changed files with 4 additions and 2 deletions
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6
cputree.c
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@ -110,6 +110,7 @@ static void setup_banned_cpus(void)
char buffer[4096];
cpumask_t nohz_full;
cpumask_t isolated_cpus;
char *env = NULL;
cpus_clear(isolated_cpus);
cpus_clear(nohz_full);
@ -120,8 +121,9 @@ static void setup_banned_cpus(void)
strlen(banned_cpumask_from_ui), banned_cpus);
goto out;
}
if (getenv("IRQBALANCE_BANNED_CPUS")) {
cpumask_parse_user(getenv("IRQBALANCE_BANNED_CPUS"), strlen(getenv("IRQBALANCE_BANNED_CPUS")), banned_cpus);
env = getenv("IRQBALANCE_BANNED_CPUS");
if (env && strlen(env)) {
cpumask_parse_user(env, strlen(env), banned_cpus);
goto out;
}