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-rw-r--r--kernel/printk.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 01b58d7d17ff..3a442bfb8bee 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -876,8 +876,10 @@ void register_console(struct console * console)
876 break; 876 break;
877 console->flags |= CON_ENABLED; 877 console->flags |= CON_ENABLED;
878 console->index = console_cmdline[i].index; 878 console->index = console_cmdline[i].index;
879 if (i == preferred_console) 879 if (i == selected_console) {
880 console->flags |= CON_CONSDEV; 880 console->flags |= CON_CONSDEV;
881 preferred_console = selected_console;
882 }
881 break; 883 break;
882 } 884 }
883 885
@@ -897,6 +899,8 @@ void register_console(struct console * console)
897 if ((console->flags & CON_CONSDEV) || console_drivers == NULL) { 899 if ((console->flags & CON_CONSDEV) || console_drivers == NULL) {
898 console->next = console_drivers; 900 console->next = console_drivers;
899 console_drivers = console; 901 console_drivers = console;
902 if (console->next)
903 console->next->flags &= ~CON_CONSDEV;
900 } else { 904 } else {
901 console->next = console_drivers->next; 905 console->next = console_drivers->next;
902 console_drivers->next = console; 906 console_drivers->next = console;
@@ -937,10 +941,14 @@ int unregister_console(struct console * console)
937 /* If last console is removed, we re-enable picking the first 941 /* If last console is removed, we re-enable picking the first
938 * one that gets registered. Without that, pmac early boot console 942 * one that gets registered. Without that, pmac early boot console
939 * would prevent fbcon from taking over. 943 * would prevent fbcon from taking over.
944 *
945 * If this isn't the last console and it has CON_CONSDEV set, we
946 * need to set it on the next preferred console.
940 */ 947 */
941 if (console_drivers == NULL) 948 if (console_drivers == NULL)
942 preferred_console = selected_console; 949 preferred_console = selected_console;
943 950 else if (console->flags & CON_CONSDEV)
951 console_drivers->flags |= CON_CONSDEV;
944 952
945 release_console_sem(); 953 release_console_sem();
946 return res; 954 return res;