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-rw-r--r--kernel/printk/printk.c53
1 files changed, 18 insertions, 35 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 879edfc5ee52..c099b082cd02 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2017,24 +2017,6 @@ int add_preferred_console(char *name, int idx, char *options)
2017 return __add_preferred_console(name, idx, options, NULL); 2017 return __add_preferred_console(name, idx, options, NULL);
2018} 2018}
2019 2019
2020int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options)
2021{
2022 struct console_cmdline *c;
2023 int i;
2024
2025 for (i = 0, c = console_cmdline;
2026 i < MAX_CMDLINECONSOLES && c->name[0];
2027 i++, c++)
2028 if (strcmp(c->name, name) == 0 && c->index == idx) {
2029 strlcpy(c->name, name_new, sizeof(c->name));
2030 c->options = options;
2031 c->index = idx_new;
2032 return i;
2033 }
2034 /* not found */
2035 return -1;
2036}
2037
2038bool console_suspend_enabled = true; 2020bool console_suspend_enabled = true;
2039EXPORT_SYMBOL(console_suspend_enabled); 2021EXPORT_SYMBOL(console_suspend_enabled);
2040 2022
@@ -2436,9 +2418,6 @@ void register_console(struct console *newcon)
2436 if (preferred_console < 0 || bcon || !console_drivers) 2418 if (preferred_console < 0 || bcon || !console_drivers)
2437 preferred_console = selected_console; 2419 preferred_console = selected_console;
2438 2420
2439 if (newcon->early_setup)
2440 newcon->early_setup();
2441
2442 /* 2421 /*
2443 * See if we want to use this console driver. If we 2422 * See if we want to use this console driver. If we
2444 * didn't select a console we take the first one 2423 * didn't select a console we take the first one
@@ -2464,23 +2443,27 @@ void register_console(struct console *newcon)
2464 for (i = 0, c = console_cmdline; 2443 for (i = 0, c = console_cmdline;
2465 i < MAX_CMDLINECONSOLES && c->name[0]; 2444 i < MAX_CMDLINECONSOLES && c->name[0];
2466 i++, c++) { 2445 i++, c++) {
2467 BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name)); 2446 if (!newcon->match ||
2468 if (strcmp(c->name, newcon->name) != 0) 2447 newcon->match(newcon, c->name, c->index, c->options) != 0) {
2469 continue; 2448 /* default matching */
2470 if (newcon->index >= 0 && 2449 BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));
2471 newcon->index != c->index) 2450 if (strcmp(c->name, newcon->name) != 0)
2472 continue; 2451 continue;
2473 if (newcon->index < 0) 2452 if (newcon->index >= 0 &&
2474 newcon->index = c->index; 2453 newcon->index != c->index)
2454 continue;
2455 if (newcon->index < 0)
2456 newcon->index = c->index;
2475 2457
2476 if (_braille_register_console(newcon, c)) 2458 if (_braille_register_console(newcon, c))
2477 return; 2459 return;
2460
2461 if (newcon->setup &&
2462 newcon->setup(newcon, c->options) != 0)
2463 break;
2464 }
2478 2465
2479 if (newcon->setup &&
2480 newcon->setup(newcon, console_cmdline[i].options) != 0)
2481 break;
2482 newcon->flags |= CON_ENABLED; 2466 newcon->flags |= CON_ENABLED;
2483 newcon->index = c->index;
2484 if (i == selected_console) { 2467 if (i == selected_console) {
2485 newcon->flags |= CON_CONSDEV; 2468 newcon->flags |= CON_CONSDEV;
2486 preferred_console = selected_console; 2469 preferred_console = selected_console;