[PATCH -v7 05/11] checkpatch.pl the new kernel/reboot.c file.

Robin Holt
2013-05-01T17:07:47Z

Get the new file to pass scripts/checkpatch.pl

Signed-off-by: Robin Holt <holt@sgi.com>
To: Andrew Morton <akpm@linux-foundation.org>
To: H. Peter Anvin <hpa@zytor.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: the arch/x86 maintainers <x86@kernel.org>
Cc: Arm Mailing List <linux-arm-kernel@lists.infradead.org>

---

Changes since v6:
- Removed last remaining line length warning.
---
kernel/reboot.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/kernel/reboot.c b/kernel/reboot.c
index 169f0b6..8e35e99 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -4,6 +4,8 @@
* Copyright (C) 2013 Linus Torvalds
*/

+#define pr_fmt(fmt) "reboot: " fmt
+
#include <linux/export.h>
#include <linux/kexec.h>
#include <linux/kmod.h>
@@ -114,9 +116,9 @@ 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);
}
@@ -125,7 +127,7 @@ 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();
@@ -140,11 +142,10 @@ 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);

/**
@@ -159,7 +160,7 @@ 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();
}
@@ -188,10 +189,10 @@ 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;

/*
@@ -234,7 +235,8 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
break;

case LINUX_REBOOT_CMD_RESTART2:
- if (strncpy_from_user(&buffer[0], arg, sizeof(buffer) - 1) < 0) {
+ ret = strncpy_from_user(&buffer[0], arg, sizeof(buffer) - 1);
+ if (ret < 0) {
ret = -EFAULT;
break;
}
@@ -301,14 +303,11 @@ 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);
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
--
1.8.2.1