[PATCH] udev - trivial style cleanup

Trivial style cleanup, to be consistent.

And add chdir("/") to the daemon so one can umout its filesystem,
while we are running :)

namedev.c

@@ -332,12 +332,8 @@ static int execute_program(char *path, char *value, int len)
 		return -1;
 	}
 	pid = fork();
-	if (pid == -1) {
-		dbg("fork failed");
-		return -1;
-	}
-
-	if (pid == 0) {
+	switch(pid) {
+	case 0:
 		/* child */
 		close(STDOUT_FILENO);
 		dup(fds[1]);	/* dup write side of pipe to STDOUT */
@@ -353,16 +349,16 @@ static int execute_program(char *path, char *value, int len)
 				dbg("too many args - %d", i);
 				args[i] = NULL;
 			}
-			retval = execve(args[0], args, main_envp);
+			retval = execv(args[0], args);
 		} else {
-			retval = execve(path, main_argv, main_envp);
+			retval = execv(path, main_argv);
 		}
-		if (retval != 0) {
-			dbg("child execve failed");
-			exit(1);
-		}
-		return -1; /* avoid compiler warning */
-	} else {
+		dbg("child execve failed");
+		exit(1);
+	case -1:
+		dbg("fork failed");
+		return -1;
+	default:
 		/* parent reads from fds[0] */
 		close(fds[1]);
 		retval = 0;

udevinfo.c

@@ -397,7 +397,7 @@ help:
 	       "  -n NAME  node name used for query\n"
 	       "\n"
 	       "  -r       print udev root\n"
-	       "  -a       print all attributes along the chain of the device\n"
+	       "  -a       print all SYSFS_attributes along the device chain\n"
 	       "  -d       dump whole database\n"
 	       "  -V       print udev version\n"
 	       "  -h       print this help text\n"

udevsend.c

@@ -87,6 +87,7 @@ static int start_daemon(void)
 		case 0:
 			/* daemon */
 			setsid();
+			chdir("/");
 			execl(UDEVD_EXEC, "udevd", NULL);
 			dbg("exec of daemon failed");
 			exit(1);