[PATCH 2/2] apei/erst-dbg: Define pr_fmt macro to avoid the duplication of ERST_DBG_PFX

From: Wang Long
Date: Mon Jun 15 2015 - 05:58:21 EST


Define pr_fmt macro with {ERST DBG: } prefix, then remove all use
of ERST_DBG_PFXin the pr_* functions.

Signed-off-by: Wang Long <long.wanglong@xxxxxxxxxx>
---
drivers/acpi/apei/erst-dbg.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c
index 3a57ffb..48e9490 100644
--- a/drivers/acpi/apei/erst-dbg.c
+++ b/drivers/acpi/apei/erst-dbg.c
@@ -31,7 +31,8 @@

#include "apei-internal.h"

-#define ERST_DBG_PFX "ERST DBG: "
+#undef pr_fmt
+#define pr_fmt(fmt) "ERST DBG: " fmt

#define ERST_DBG_RECORD_LEN_MAX 0x4000

@@ -130,8 +131,7 @@ retry:
if (rc < 0)
goto out;
if (len > ERST_DBG_RECORD_LEN_MAX) {
- pr_warn(ERST_DBG_PFX
- "Record (ID: 0x%llx) length is too long: %zd\n",
+ pr_warn("Record (ID: 0x%llx) length is too long: %zd\n",
id, len);
rc = -EIO;
goto out;
@@ -171,7 +171,7 @@ static ssize_t erst_dbg_write(struct file *filp, const char __user *ubuf,
return -EPERM;

if (usize > ERST_DBG_RECORD_LEN_MAX) {
- pr_err(ERST_DBG_PFX "Too long record to be written\n");
+ pr_err("Too long record to be written\n");
return -EINVAL;
}

@@ -223,7 +223,7 @@ static struct miscdevice erst_dbg_dev = {
static __init int erst_dbg_init(void)
{
if (erst_disable) {
- pr_info(ERST_DBG_PFX "ERST support is disabled.\n");
+ pr_info("ERST support is disabled.\n");
return -ENODEV;
}
return misc_register(&erst_dbg_dev);
--
1.8.3.4

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