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-rw-r--r--console-tools/chvt.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index aff66e007..bbc5a9c31 100644
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -7,11 +7,6 @@
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. 7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */ 8 */
9 9
10#include <stdio.h>
11#include <stdlib.h>
12#include <fcntl.h>
13#include <sys/types.h>
14#include <sys/ioctl.h>
15#include "busybox.h" 10#include "busybox.h"
16 11
17/* From <linux/vt.h> */ 12/* From <linux/vt.h> */
@@ -29,7 +24,7 @@ int chvt_main(int argc, char **argv)
29 } 24 }
30 25
31 fd = get_console_fd(); 26 fd = get_console_fd();
32 num = bb_xgetlarg(argv[1], 10, 0, INT_MAX); 27 num = xatoul_range(argv[1], 1, 63);
33 if ((-1 == ioctl(fd, VT_ACTIVATE, num)) 28 if ((-1 == ioctl(fd, VT_ACTIVATE, num))
34 || (-1 == ioctl(fd, VT_WAITACTIVE, num))) { 29 || (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
35 bb_perror_msg_and_die("ioctl"); 30 bb_perror_msg_and_die("ioctl");