diff options
Diffstat (limited to 'kernel/printk')
-rw-r--r-- | kernel/printk/printk.c | 49 |
1 files changed, 26 insertions, 23 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 5a022e0c654c..8f1fb50aa3ce 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c | |||
@@ -1756,18 +1756,19 @@ static int __add_preferred_console(char *name, int idx, char *options, | |||
1756 | * See if this tty is not yet registered, and | 1756 | * See if this tty is not yet registered, and |
1757 | * if we have a slot free. | 1757 | * if we have a slot free. |
1758 | */ | 1758 | */ |
1759 | for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) | 1759 | for (i = 0, c = console_cmdline; |
1760 | if (strcmp(console_cmdline[i].name, name) == 0 && | 1760 | i < MAX_CMDLINECONSOLES && c->name[0]; |
1761 | console_cmdline[i].index == idx) { | 1761 | i++, c++) { |
1762 | if (!brl_options) | 1762 | if (strcmp(c->name, name) == 0 && c->index == idx) { |
1763 | selected_console = i; | 1763 | if (!brl_options) |
1764 | return 0; | 1764 | selected_console = i; |
1765 | return 0; | ||
1765 | } | 1766 | } |
1767 | } | ||
1766 | if (i == MAX_CMDLINECONSOLES) | 1768 | if (i == MAX_CMDLINECONSOLES) |
1767 | return -E2BIG; | 1769 | return -E2BIG; |
1768 | if (!brl_options) | 1770 | if (!brl_options) |
1769 | selected_console = i; | 1771 | selected_console = i; |
1770 | c = &console_cmdline[i]; | ||
1771 | strlcpy(c->name, name, sizeof(c->name)); | 1772 | strlcpy(c->name, name, sizeof(c->name)); |
1772 | c->options = options; | 1773 | c->options = options; |
1773 | braille_set_options(c, brl_options); | 1774 | braille_set_options(c, brl_options); |
@@ -1840,15 +1841,15 @@ int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, cha | |||
1840 | struct console_cmdline *c; | 1841 | struct console_cmdline *c; |
1841 | int i; | 1842 | int i; |
1842 | 1843 | ||
1843 | for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) | 1844 | for (i = 0, c = console_cmdline; |
1844 | if (strcmp(console_cmdline[i].name, name) == 0 && | 1845 | i < MAX_CMDLINECONSOLES && c->name[0]; |
1845 | console_cmdline[i].index == idx) { | 1846 | i++, c++) |
1846 | c = &console_cmdline[i]; | 1847 | if (strcmp(c->name, name) == 0 && c->index == idx) { |
1847 | strlcpy(c->name, name_new, sizeof(c->name)); | 1848 | strlcpy(c->name, name_new, sizeof(c->name)); |
1848 | c->name[sizeof(c->name) - 1] = 0; | 1849 | c->name[sizeof(c->name) - 1] = 0; |
1849 | c->options = options; | 1850 | c->options = options; |
1850 | c->index = idx_new; | 1851 | c->index = idx_new; |
1851 | return i; | 1852 | return i; |
1852 | } | 1853 | } |
1853 | /* not found */ | 1854 | /* not found */ |
1854 | return -1; | 1855 | return -1; |
@@ -2223,6 +2224,7 @@ void register_console(struct console *newcon) | |||
2223 | int i; | 2224 | int i; |
2224 | unsigned long flags; | 2225 | unsigned long flags; |
2225 | struct console *bcon = NULL; | 2226 | struct console *bcon = NULL; |
2227 | struct console_cmdline *c; | ||
2226 | 2228 | ||
2227 | /* | 2229 | /* |
2228 | * before we register a new CON_BOOT console, make sure we don't | 2230 | * before we register a new CON_BOOT console, make sure we don't |
@@ -2270,24 +2272,25 @@ void register_console(struct console *newcon) | |||
2270 | * See if this console matches one we selected on | 2272 | * See if this console matches one we selected on |
2271 | * the command line. | 2273 | * the command line. |
2272 | */ | 2274 | */ |
2273 | for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; | 2275 | for (i = 0, c = console_cmdline; |
2274 | i++) { | 2276 | i < MAX_CMDLINECONSOLES && c->name[0]; |
2275 | if (strcmp(console_cmdline[i].name, newcon->name) != 0) | 2277 | i++, c++) { |
2278 | if (strcmp(c->name, newcon->name) != 0) | ||
2276 | continue; | 2279 | continue; |
2277 | if (newcon->index >= 0 && | 2280 | if (newcon->index >= 0 && |
2278 | newcon->index != console_cmdline[i].index) | 2281 | newcon->index != c->index) |
2279 | continue; | 2282 | continue; |
2280 | if (newcon->index < 0) | 2283 | if (newcon->index < 0) |
2281 | newcon->index = console_cmdline[i].index; | 2284 | newcon->index = c->index; |
2282 | 2285 | ||
2283 | if (_braille_register_console(newcon, &console_cmdline[i])) | 2286 | if (_braille_register_console(newcon, c)) |
2284 | return; | 2287 | return; |
2285 | 2288 | ||
2286 | if (newcon->setup && | 2289 | if (newcon->setup && |
2287 | newcon->setup(newcon, console_cmdline[i].options) != 0) | 2290 | newcon->setup(newcon, console_cmdline[i].options) != 0) |
2288 | break; | 2291 | break; |
2289 | newcon->flags |= CON_ENABLED; | 2292 | newcon->flags |= CON_ENABLED; |
2290 | newcon->index = console_cmdline[i].index; | 2293 | newcon->index = c->index; |
2291 | if (i == selected_console) { | 2294 | if (i == selected_console) { |
2292 | newcon->flags |= CON_CONSDEV; | 2295 | newcon->flags |= CON_CONSDEV; |
2293 | preferred_console = selected_console; | 2296 | preferred_console = selected_console; |