[Patch -v4 3/4] checkpatch.pl the new kernel/reboot.c file.

From: Robin Holt
Date: Tue Apr 16 2013 - 06:01:52 EST



I did allow the remaining 81 character line behind. It did not seem
like it was worth changing. Otherwise, it now passes checkpatch.pl.

Signed-off-by: Robin Holt <holt@xxxxxxx>
To: Ingo Molnar <mingo@xxxxxxxxxx>
To: Russ Anderson <rja@xxxxxxx>
Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Cc: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Robin Holt <holt@xxxxxxx>
Cc: "rusty@xxxxxxxxxxxxxxx" <rusty@xxxxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: the arch/x86 maintainers <x86@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>

---

Changes since -v3:
- Integrated feedback from Joe Perches.

kernel/reboot.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/kernel/reboot.c b/kernel/reboot.c
index 907ab48..8cfef20 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -1,9 +1,11 @@
/*
- * linux/kernel/sys.c
+ * linux/kernel/reboot.c
*
* Copyright (C) 2013 Linus Torvalds
*/

+#define pr_fmt(fmt) "reboot: " fmt
+
#include <linux/export.h>
#include <linux/kexec.h>
#include <linux/kmod.h>
@@ -97,9 +99,9 @@ void kernel_restart(char *cmd)
migrate_to_reboot_cpu();
syscore_shutdown();
if (!cmd)
- printk(KERN_EMERG "Restarting system.\n");
+ pr_emerg("Restarting system\n");
else
- printk(KERN_EMERG "Restarting system with command '%s'.\n", cmd);
+ pr_emerg("Restarting system with command '%s'\n", cmd);
kmsg_dump(KMSG_DUMP_RESTART);
machine_restart(cmd);
}
@@ -108,7 +110,7 @@ EXPORT_SYMBOL_GPL(kernel_restart);
static void kernel_shutdown_prepare(enum system_states state)
{
blocking_notifier_call_chain(&reboot_notifier_list,
- (state == SYSTEM_HALT)?SYS_HALT:SYS_POWER_OFF, NULL);
+ (state == SYSTEM_HALT) ? SYS_HALT : SYS_POWER_OFF, NULL);
system_state = state;
usermodehelper_disable();
device_shutdown();
@@ -123,11 +125,10 @@ void kernel_halt(void)
kernel_shutdown_prepare(SYSTEM_HALT);
migrate_to_reboot_cpu();
syscore_shutdown();
- printk(KERN_EMERG "System halted.\n");
+ pr_emerg("System halted\n");
kmsg_dump(KMSG_DUMP_HALT);
machine_halt();
}
-
EXPORT_SYMBOL_GPL(kernel_halt);

/**
@@ -142,7 +143,7 @@ void kernel_power_off(void)
pm_power_off_prepare();
migrate_to_reboot_cpu();
syscore_shutdown();
- printk(KERN_EMERG "Power down.\n");
+ pr_emerg("Power down\n");
kmsg_dump(KMSG_DUMP_POWEROFF);
machine_power_off();
}
@@ -171,10 +172,10 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,

/* For safety, we require "magic" arguments. */
if (magic1 != LINUX_REBOOT_MAGIC1 ||
- (magic2 != LINUX_REBOOT_MAGIC2 &&
- magic2 != LINUX_REBOOT_MAGIC2A &&
+ (magic2 != LINUX_REBOOT_MAGIC2 &&
+ magic2 != LINUX_REBOOT_MAGIC2A &&
magic2 != LINUX_REBOOT_MAGIC2B &&
- magic2 != LINUX_REBOOT_MAGIC2C))
+ magic2 != LINUX_REBOOT_MAGIC2C))
return -EINVAL;

/*
@@ -283,14 +284,13 @@ static int __orderly_poweroff(bool force)
ret = call_usermodehelper(argv[0], argv, envp, UMH_WAIT_EXEC);
argv_free(argv);
} else {
- printk(KERN_WARNING "%s failed to allocate memory for \"%s\"\n",
- __func__, poweroff_cmd);
+ pr_warn("%s failed to allocate memory for \"%s\"\n",
+ __func__, poweroff_cmd);
ret = -ENOMEM;
}

if (ret && force) {
- printk(KERN_WARNING "Failed to start orderly shutdown: "
- "forcing the issue\n");
+ pr_warn("Failed to start orderly shutdown: forcing the issue\n");
/*
* I guess this should try to kick off some daemon to sync and
* poweroff asap. Or not even bother syncing if we're doing an
--
1.8.1.2

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