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Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into review-ilpo-next

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Ilpo Järvinen 2026-06-10 13:40:39 +03:00
commit d29cce4dde
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1 changed files with 8 additions and 1 deletions
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9
tools/power/x86/intel-speed-select/isst-daemon.c
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@ -148,6 +148,7 @@ static void daemonize(char *rundir, char *pidfile)
{
int pid, sid, i;
char str[10];
struct stat st;
struct sigaction sig_actions;
sigset_t sig_set;
int ret;
@ -200,11 +201,17 @@ static void daemonize(char *rundir, char *pidfile)
if (ret == -1)
exit(EXIT_FAILURE);
pid_file_handle = open(pidfile, O_RDWR | O_CREAT, 0600);
pid_file_handle = open(pidfile, O_RDWR | O_CREAT | O_NOFOLLOW, 0600);
if (pid_file_handle == -1) {
/* Couldn't open lock file */
exit(1);
}
if (fstat(pid_file_handle, &st) == -1)
exit(1);
if (!S_ISREG(st.st_mode))
exit(1);
/* Try to lock file */
#ifdef LOCKF_SUPPORT
if (lockf(pid_file_handle, F_TLOCK, 0) == -1) {