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can: slcan/vcan: eliminate banner[] variable, switch to pr_info()

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Several can modules in drivers/net/can use a banner[] variable at the
top which defines a string that is used once during init.  This string
is also embedded with KERN_INFO which makes it printk() specific.

Improve the code by eliminating the banner[] variable and moving the
string to where it is printed.  Then switch from printk(KERN_INFO to
pr_info() for the lines that were changed.

This patch is similar to [1] which was applied to net/can.

  [1]: https://lkml.org/lkml/2014/11/22/10

Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jeremiah Mahler 2014-12-03 00:44:04 -08:00 • committed by Marc Kleine-Budde
parent b111b78c6e
commit ace9bb228d
2 changed files with 3 additions and 9 deletions
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7
drivers/net/can/slcan.c
View file

@ -56,9 +56,6 @@
#include <linux/can.h> #include <linux/can.h>
#include <linux/can/skb.h> #include <linux/can/skb.h>
static __initconst const char banner[] =
KERN_INFO "slcan: serial line CAN interface driver\n";
MODULE_ALIAS_LDISC(N_SLCAN); MODULE_ALIAS_LDISC(N_SLCAN);
MODULE_DESCRIPTION("serial line CAN interface"); MODULE_DESCRIPTION("serial line CAN interface");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
@ -702,8 +699,8 @@ static int __init slcan_init(void)
if (maxdev < 4) if (maxdev < 4)
maxdev = 4; /* Sanity */ maxdev = 4; /* Sanity */
printk(banner); pr_info("slcan: serial line CAN interface driver\n");
printk(KERN_INFO "slcan: %d dynamic interface channels.\n", maxdev); pr_info("slcan: %d dynamic interface channels.\n", maxdev);
slcan_devs = kzalloc(sizeof(struct net_device *)*maxdev, GFP_KERNEL); slcan_devs = kzalloc(sizeof(struct net_device *)*maxdev, GFP_KERNEL);
if (!slcan_devs) if (!slcan_devs)

5
drivers/net/can/vcan.c
View file

@ -50,9 +50,6 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <net/rtnetlink.h> #include <net/rtnetlink.h>
static __initconst const char banner[] =
KERN_INFO "vcan: Virtual CAN interface driver\n";
MODULE_DESCRIPTION("virtual CAN interface"); MODULE_DESCRIPTION("virtual CAN interface");
MODULE_LICENSE("Dual BSD/GPL"); MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Urs Thuermann <urs.thuermann@volkswagen.de>"); MODULE_AUTHOR("Urs Thuermann <urs.thuermann@volkswagen.de>");
@ -173,7 +170,7 @@ static struct rtnl_link_ops vcan_link_ops __read_mostly = {
static __init int vcan_init_module(void) static __init int vcan_init_module(void)
{ {
printk(banner); pr_info("vcan: Virtual CAN interface driver\n");
if (echo) if (echo)
printk(KERN_INFO "vcan: enabled echo on driver level.\n"); printk(KERN_INFO "vcan: enabled echo on driver level.\n");