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diff --git a/cputree.c b/cputree.c
index fbd03b5..c5ae645 100644
--- a/cputree.c
+++ b/cputree.c
@@ -88,7 +88,8 @@ static void setup_banned_cpus(void)
goto cmdline;
if (getline(&line, &size, file) > 0) {
- cpulist_parse(line, size, nohz_full);
+ if (strlen(line) && line[0] != '\n')
+ cpulist_parse(line, strlen(line), nohz_full);
free(line);
line = NULL;
size = 0;
@@ -98,7 +99,8 @@ static void setup_banned_cpus(void)
file = fopen("/sys/devices/system/cpu/isolated", "r");
if (file) {
if (getline(&line, &size, file) > 0) {
- cpulist_parse(line, size, isolated_cpus);
+ if (strlen(line) && line[0] != '\n')
+ cpulist_parse(line, strlen(line), isolated_cpus);
free(line);
line = NULL;
size = 0;