[PATCH v2] fix brown paper bag bug introduced with compile time loglevel
Sascha Hauer
s.hauer at pengutronix.de
Fri Feb 15 10:39:09 EST 2013
__dev_printf is a define which uses a local variable 'ret'. This
means that whenever someone does a dev_*(dev, "ret: %d\n", ret);
ret will be 0.
Fix this by writing this without a local variable.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
include/printk.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/printk.h b/include/printk.h
index 1d45616..3de8905 100644
--- a/include/printk.h
+++ b/include/printk.h
@@ -23,10 +23,7 @@ int dev_printf(const struct device_d *dev, const char *format, ...)
#define __dev_printf(level, dev, format, args...) \
({ \
- int ret = 0; \
- if (level <= LOGLEVEL) \
- ret = dev_printf(dev, format, ##args); \
- ret; \
+ (level) <= LOGLEVEL ? dev_printf((dev), (format), ##args) : 0; \
})
--
1.7.10.4
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