diff options
Diffstat (limited to 'init/halt.c')
| -rw-r--r-- | init/halt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/init/halt.c b/init/halt.c index e875d04..10dcb42 100644 --- a/init/halt.c +++ b/init/halt.c @@ -28,7 +28,10 @@ extern int halt_main(int argc, char **argv) { #ifdef BB_FEATURE_LINUXRC /* don't assume init's pid == 1 */ - return(kill(*(find_pid_by_name("init")), SIGUSR1)); + pid_t *pid = find_pid_by_name("init"); + if (!pid || *pid<=0) + error_msg_and_die("no process killed"); + return(kill(*pid, SIGUSR1)); #else return(kill(1, SIGUSR1)); #endif |