Commit 689dfc9e authored by Zhang Rui's avatar Zhang Rui Committed by Hans de Goede
Browse files

tools/power/x86/intel-speed-select: Use null-terminated string 



strlen() and strtok() takes null-termimated strings as input.
Make sure these strings are null-terminated before using them.

Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 8a44d275

tools/power/x86/intel-speed-select/isst-config.c

+2 −0
Original line number Diff line number Diff line
@@ -1583,6 +1583,7 @@ static int set_cpufreq_scaling_min_max_from_cpuinfo(int cpu, int cpuinfo_max, in 
	if (fd < 0)

		return fd;



	min_freq[15] = '\0';

	len = strlen(min_freq);

	ret = write(fd, min_freq, len);

	if (ret == -1) {
@@ -2015,6 +2016,7 @@ static void set_fact_enable(int arg) 
			if (len < 0)

				continue;



			sibling_list[127] = '\0';

			cpu_str = strtok(sibling_list, ",");

			while (cpu_str != NULL) {

				int cpu;