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Date: Mon, 22 Sep 2014 11:10:50 -0700
From: Joe Perches <joe@...ches.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net: Change netdev_<level> logging functions to
return void
No caller or macro uses the return value so make all
the functions return void.
Signed-off-by: Joe Perches <joe@...ches.com>
---
This change is associated to a desire to eventually
change printk to return void.
include/linux/netdevice.h | 19 +++++++++----------
net/core/dev.c | 44 +++++++++++++++++---------------------------
2 files changed, 26 insertions(+), 37 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 28d4378..3d7ea30 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3612,22 +3612,22 @@ static inline const char *netdev_reg_state(const struct net_device *dev)
}
__printf(3, 4)
-int netdev_printk(const char *level, const struct net_device *dev,
- const char *format, ...);
+void netdev_printk(const char *level, const struct net_device *dev,
+ const char *format, ...);
__printf(2, 3)
-int netdev_emerg(const struct net_device *dev, const char *format, ...);
+void netdev_emerg(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_alert(const struct net_device *dev, const char *format, ...);
+void netdev_alert(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_crit(const struct net_device *dev, const char *format, ...);
+void netdev_crit(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_err(const struct net_device *dev, const char *format, ...);
+void netdev_err(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_warn(const struct net_device *dev, const char *format, ...);
+void netdev_warn(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_notice(const struct net_device *dev, const char *format, ...);
+void netdev_notice(const struct net_device *dev, const char *format, ...);
__printf(2, 3)
-int netdev_info(const struct net_device *dev, const char *format, ...);
+void netdev_info(const struct net_device *dev, const char *format, ...);
#define MODULE_ALIAS_NETDEV(device) \
MODULE_ALIAS("netdev-" device)
@@ -3645,7 +3645,6 @@ do { \
({ \
if (0) \
netdev_printk(KERN_DEBUG, __dev, format, ##args); \
- 0; \
})
#endif
diff --git a/net/core/dev.c b/net/core/dev.c
index ad2522d..fa47b81 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7074,53 +7074,45 @@ const char *netdev_drivername(const struct net_device *dev)
return empty;
}
-static int __netdev_printk(const char *level, const struct net_device *dev,
- struct va_format *vaf)
+static void __netdev_printk(const char *level, const struct net_device *dev,
+ struct va_format *vaf)
{
- int r;
-
if (dev && dev->dev.parent) {
- r = dev_printk_emit(level[1] - '0',
- dev->dev.parent,
- "%s %s %s%s: %pV",
- dev_driver_string(dev->dev.parent),
- dev_name(dev->dev.parent),
- netdev_name(dev), netdev_reg_state(dev),
- vaf);
+ dev_printk_emit(level[1] - '0',
+ dev->dev.parent,
+ "%s %s %s%s: %pV",
+ dev_driver_string(dev->dev.parent),
+ dev_name(dev->dev.parent),
+ netdev_name(dev), netdev_reg_state(dev),
+ vaf);
} else if (dev) {
- r = printk("%s%s%s: %pV", level, netdev_name(dev),
- netdev_reg_state(dev), vaf);
+ printk("%s%s%s: %pV",
+ level, netdev_name(dev), netdev_reg_state(dev), vaf);
} else {
- r = printk("%s(NULL net_device): %pV", level, vaf);
+ printk("%s(NULL net_device): %pV", level, vaf);
}
-
- return r;
}
-int netdev_printk(const char *level, const struct net_device *dev,
- const char *format, ...)
+void netdev_printk(const char *level, const struct net_device *dev,
+ const char *format, ...)
{
struct va_format vaf;
va_list args;
- int r;
va_start(args, format);
vaf.fmt = format;
vaf.va = &args;
- r = __netdev_printk(level, dev, &vaf);
+ __netdev_printk(level, dev, &vaf);
va_end(args);
-
- return r;
}
EXPORT_SYMBOL(netdev_printk);
#define define_netdev_printk_level(func, level) \
-int func(const struct net_device *dev, const char *fmt, ...) \
+void func(const struct net_device *dev, const char *fmt, ...) \
{ \
- int r; \
struct va_format vaf; \
va_list args; \
\
@@ -7129,11 +7121,9 @@ int func(const struct net_device *dev, const char *fmt, ...) \
vaf.fmt = fmt; \
vaf.va = &args; \
\
- r = __netdev_printk(level, dev, &vaf); \
+ __netdev_printk(level, dev, &vaf); \
\
va_end(args); \
- \
- return r; \
} \
EXPORT_SYMBOL(func);
--
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