diff options
author | Joe Perches <joe@perches.com> | 2013-07-31 20:53:46 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-31 21:41:03 (GMT) |
commit | 23475408c618ecd5b44b7e069fd65ec73d17d9f0 (patch) | |
tree | 5aa2b0afd68c713843a966c4473e486337f353ff /kernel/printk/printk.c | |
parent | bbeddf52adc1b4207674ab88686cbbe58c24f721 (diff) | |
download | linux-fsl-qoriq-23475408c618ecd5b44b7e069fd65ec73d17d9f0.tar.xz |
printk: use pointer for console_cmdline indexing
Make the code a bit more compact by always using a pointer for the active
console_cmdline.
Move overly indented code to correct indent level.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk/printk.c')
-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 5a022e0..8f1fb50 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, * See if this tty is not yet registered, and * if we have a slot free. */ - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) - if (strcmp(console_cmdline[i].name, name) == 0 && - console_cmdline[i].index == idx) { - if (!brl_options) - selected_console = i; - return 0; + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { + if (strcmp(c->name, name) == 0 && c->index == idx) { + if (!brl_options) + selected_console = i; + return 0; } + } if (i == MAX_CMDLINECONSOLES) return -E2BIG; if (!brl_options) selected_console = i; - c = &console_cmdline[i]; strlcpy(c->name, name, sizeof(c->name)); c->options = options; 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 struct console_cmdline *c; int i; - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++) - if (strcmp(console_cmdline[i].name, name) == 0 && - console_cmdline[i].index == idx) { - c = &console_cmdline[i]; - strlcpy(c->name, name_new, sizeof(c->name)); - c->name[sizeof(c->name) - 1] = 0; - c->options = options; - c->index = idx_new; - return i; + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) + if (strcmp(c->name, name) == 0 && c->index == idx) { + strlcpy(c->name, name_new, sizeof(c->name)); + c->name[sizeof(c->name) - 1] = 0; + c->options = options; + c->index = idx_new; + return i; } /* not found */ return -1; @@ -2223,6 +2224,7 @@ void register_console(struct console *newcon) int i; unsigned long flags; struct console *bcon = NULL; + struct console_cmdline *c; /* * before we register a new CON_BOOT console, make sure we don't @@ -2270,24 +2272,25 @@ void register_console(struct console *newcon) * See if this console matches one we selected on * the command line. */ - for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; - i++) { - if (strcmp(console_cmdline[i].name, newcon->name) != 0) + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { + if (strcmp(c->name, newcon->name) != 0) continue; if (newcon->index >= 0 && - newcon->index != console_cmdline[i].index) + newcon->index != c->index) continue; if (newcon->index < 0) - newcon->index = console_cmdline[i].index; + newcon->index = c->index; - if (_braille_register_console(newcon, &console_cmdline[i])) + if (_braille_register_console(newcon, c)) return; if (newcon->setup && newcon->setup(newcon, console_cmdline[i].options) != 0) break; newcon->flags |= CON_ENABLED; - newcon->index = console_cmdline[i].index; + newcon->index = c->index; if (i == selected_console) { newcon->flags |= CON_CONSDEV; preferred_console = selected_console; |