char pid[10];
int fd;
int n;
- sprintf(path, "%s/%s.pid", pid_dir, devnum2devname(devnum));
+ char *devname = devnum2devname(devnum);
+
+ sprintf(path, "%s/%s.pid", pid_dir, devname);
+ free(devname);
+
fd = open(path, O_RDONLY | O_NOATIME, 0);
if (fd < 0)