can: vcan: introduce pr_fmt and make use of it

marckleinebudde · marckleinebudde · commit e83e416cdf4f · 2019-08-13T17:32:21.000+02:00
This patch introduces pr_fmt and makes use of it, also it converts a
printk() to pr_info().

Signed-off-by: Marc Kleine-Budde &lt;mkl@pengutronix.de&gt;
diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c
@@ -38,6 +38,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
@@ -166,10 +168,10 @@ static struct rtnl_link_ops vcan_link_ops __read_mostly = {
 
 static __init int vcan_init_module(void)
 {
-	pr_info("vcan: Virtual CAN interface driver\n");
+	pr_info("Virtual CAN interface driver\n");
 
 	if (echo)
-		printk(KERN_INFO "vcan: enabled echo on driver level.\n");
+		pr_info("enabled echo on driver level.\n");
 
 	return rtnl_link_register(&vcan_link_ops);
 }

Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,8 @@`
`38`	`38`	`*`
`39`	`39`	`*/`
`40`	`40`
	`41`	`+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt`
	`42`	`+`
`41`	`43`	`#include <linux/module.h>`
`42`	`44`	`#include <linux/init.h>`
`43`	`45`	`#include <linux/netdevice.h>`
`@@ -166,10 +168,10 @@ static struct rtnl_link_ops vcan_link_ops __read_mostly = {`
`166`	`168`
`167`	`169`	`static __init int vcan_init_module(void)`
`168`	`170`	`{`
`169`		`- pr_info("vcan: Virtual CAN interface driver\n");`
	`171`	`+ pr_info("Virtual CAN interface driver\n");`
`170`	`172`
`171`	`173`	`if (echo)`
`172`		`- printk(KERN_INFO "vcan: enabled echo on driver level.\n");`
	`174`	`+ pr_info("enabled echo on driver level.\n");`
`173`	`175`
`174`	`176`	`return rtnl_link_register(&vcan_link_ops);`
`175`	`177`	`}`