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Date: Mon, 27 Jan 2020 13:47:17 +0200 From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> To: Petr Mladek <pmladek@...e.com>, Sergey Senozhatsky <sergey.senozhatsky@...il.com>, Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> Subject: [PATCH v3 3/5] console: Use for_each_console() helper in unregister_console() We have rather open coded single linked list manipulations where we may simple use for_each_console() helper with properly set exit conditions. Replace open coded single-linked list handling with for_each_console() helper in use. Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> --- v3: no changes kernel/printk/printk.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 51337ed426e0..d40a316908da 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2809,7 +2809,7 @@ EXPORT_SYMBOL(register_console); int unregister_console(struct console *console) { - struct console *a, *b; + struct console *con; int res; pr_info("%sconsole [%s%d] disabled\n", @@ -2825,11 +2825,10 @@ int unregister_console(struct console *console) if (console_drivers == console) { console_drivers=console->next; res = 0; - } else if (console_drivers) { - for (a=console_drivers->next, b=console_drivers ; - a; b=a, a=b->next) { - if (a == console) { - b->next = a->next; + } else { + for_each_console(con) { + if (con->next == console) { + con->next = console->next; res = 0; break; } -- 2.24.1
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