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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-02-03 15:31:25 +0200 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2020-02-11 10:43:42 +0100 |
| commit | caa72c3bc584bc28b557bcf1a47532a7a6f37e6f (patch) | |
| tree | af3500f7496444160d93fbc921a80d7b24a21340 /kernel/printk | |
| parent | c81ea7203b224cb85c5daf360556304e7212bab6 (diff) | |
| download | linux-caa72c3bc584bc28b557bcf1a47532a7a6f37e6f.tar.gz | |
console: Drop double check for console_drivers being non-NULL
There is no need to explicitly check for console_drivers to be non-NULL since for_each_console() does this. Link: http://lkml.kernel.org/r/20200203133130.11591-2-andriy.shevchenko@linux.intel.com To: linux-kernel@vger.kernel.org To: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com>
Diffstat (limited to 'kernel/printk')
| -rw-r--r-- | kernel/printk/printk.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index fada22dc4ab6..51337ed426e0 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1772,9 +1772,6 @@ static void call_console_drivers(const char *ext_text, size_t ext_len, trace_console_rcuidle(text, len); - if (!console_drivers) - return; - for_each_console(con) { if (exclusive_console && con != exclusive_console) continue; @@ -2653,18 +2650,17 @@ void register_console(struct console *newcon) struct console_cmdline *c; static bool has_preferred; - if (console_drivers) - for_each_console(bcon) - if (WARN(bcon == newcon, - "console '%s%d' already registered\n", - bcon->name, bcon->index)) - return; + for_each_console(bcon) { + if (WARN(bcon == newcon, "console '%s%d' already registered\n", + bcon->name, bcon->index)) + return; + } /* * before we register a new CON_BOOT console, make sure we don't * already have a valid console */ - if (console_drivers && newcon->flags & CON_BOOT) { + if (newcon->flags & CON_BOOT) { /* find the last or real console */ for_each_console(bcon) { if (!(bcon->flags & CON_BOOT)) { |