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-rw-r--r--console-tools/setlogcons.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 6778a4d2b..0fad6600a 100644
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -41,6 +41,7 @@
41int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; 41int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
42int setlogcons_main(int argc UNUSED_PARAM, char **argv) 42int setlogcons_main(int argc UNUSED_PARAM, char **argv)
43{ 43{
44 char *devname;
44 struct { 45 struct {
45 char fn; 46 char fn;
46 char subarg; 47 char subarg;
@@ -52,7 +53,14 @@ int setlogcons_main(int argc UNUSED_PARAM, char **argv)
52 if (argv[1]) 53 if (argv[1])
53 arg.subarg = xatou_range(argv[1], 0, 63); 54 arg.subarg = xatou_range(argv[1], 0, 63);
54 55
55 xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg); 56 /* Can just call it on "/dev/tty1" always, but...
57 * in my testing, inactive (never opened) VTs are not
58 * redirected to, despite ioctl not failing.
59 *
60 * By using "/dev/ttyN", ensure it is activated.
61 */
62 devname = xasprintf("/dev/tty%u", arg.subarg);
63 xioctl(xopen(devname, O_RDONLY), TIOCLINUX, &arg);
56 64
57 return EXIT_SUCCESS; 65 return EXIT_SUCCESS;
58} 66}