lkml.org 
[lkml]   [2017]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] drm: drm_printer: add __printf validation
Date
drm_printf does not currently use the compiler to verify
format and arguments. Make it do so.

Miscellanea:

o Add appropriate #include files for __printf and struct va_format
o Convert dev_printk to dev_info

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/gpu/drm/drm_print.c | 2 +-
include/drm/drm_print.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 02a107d50706..74c466aca622 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL(__drm_printfn_seq_file);

void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
{
- dev_printk(KERN_INFO, p->arg, "[" DRM_NAME "] %pV", vaf);
+ dev_info(p->arg, "[" DRM_NAME "] %pV", vaf);
}
EXPORT_SYMBOL(__drm_printfn_info);

diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 7d98763c0444..ca4d7c6321f2 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -26,6 +26,8 @@
#ifndef DRM_PRINT_H_
#define DRM_PRINT_H_

+#include <linux/compiler.h>
+#include <linux/printk.h>
#include <linux/seq_file.h>
#include <linux/device.h>

@@ -75,6 +77,7 @@ void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf);
void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf);
void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);

+__printf(2, 3)
void drm_printf(struct drm_printer *p, const char *f, ...);


--
2.10.0.rc2.1.g053435c
\
 
 \ /
  Last update: 2017-02-16 00:34    [W:0.070 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site