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* [PATCH] arch: blackfin: kernel: using strlcpy instead of strncpy
@ 2013-05-26  7:04 Chen Gang
  2013-05-27  1:50 ` Chen Gang
  2013-05-27  1:51 ` [PATCH v2] arch: blackfin: kernel: using strlcpy() instead of strncpy() Chen Gang
  0 siblings, 2 replies; 3+ messages in thread
From: Chen Gang @ 2013-05-26  7:04 UTC (permalink / raw)
  To: Mike Frysinger, Paul Mundt, realmz paranoid, Geert Uytterhoeven,
	monstr, uclinux-dist-devel@blackfin.uclinux.org,
	linux-kernel@vger.kernel.org, Linux-Arch


For NULL terminated string, need always be sure of ended by zero.

'command_line' is a static variable which will be initialized
automatically, and cmdline_init() is __init function, so need not
initialize it again, can just use strlcpy instead of strncpy.


Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
 arch/blackfin/kernel/setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 107b306..c731ec7 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1458,5 +1458,5 @@ void __init cmdline_init(const char *r0)
 {
 	early_shadow_stamp();
 	if (r0)
-		strncpy(command_line, r0, COMMAND_LINE_SIZE);
+		strlcpy(command_line, r0, COMMAND_LINE_SIZE);
 }
-- 
1.7.7.6

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] arch: blackfin: kernel: using strlcpy instead of strncpy
  2013-05-26  7:04 [PATCH] arch: blackfin: kernel: using strlcpy instead of strncpy Chen Gang
@ 2013-05-27  1:50 ` Chen Gang
  2013-05-27  1:51 ` [PATCH v2] arch: blackfin: kernel: using strlcpy() instead of strncpy() Chen Gang
  1 sibling, 0 replies; 3+ messages in thread
From: Chen Gang @ 2013-05-27  1:50 UTC (permalink / raw)
  To: Mike Frysinger, Paul Mundt, realmz paranoid, Geert Uytterhoeven,
	monstr, uclinux-dist-devel@blackfin.uclinux.org,
	linux-kernel@vger.kernel.org, Linux-Arch

On 05/26/2013 03:04 PM, Chen Gang wrote:
> 
> For NULL terminated string, need always be sure of ended by zero.
> 
> 'command_line' is a static variable which will be initialized
> automatically, and cmdline_init() is __init function, so need not
> initialize it again, can just use strlcpy instead of strncpy.
> 

The 2nd paragraph comment is redundent, need delete. I will send patch v2.

> 
> Signed-off-by: Chen Gang <gang.chen@asianux.com>
> ---
>  arch/blackfin/kernel/setup.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
> index 107b306..c731ec7 100644
> --- a/arch/blackfin/kernel/setup.c
> +++ b/arch/blackfin/kernel/setup.c
> @@ -1458,5 +1458,5 @@ void __init cmdline_init(const char *r0)
>  {
>  	early_shadow_stamp();
>  	if (r0)
> -		strncpy(command_line, r0, COMMAND_LINE_SIZE);
> +		strlcpy(command_line, r0, COMMAND_LINE_SIZE);
>  }
> 


-- 
Chen Gang

Asianux Corporation

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH v2] arch: blackfin: kernel: using strlcpy() instead of strncpy()
  2013-05-26  7:04 [PATCH] arch: blackfin: kernel: using strlcpy instead of strncpy Chen Gang
  2013-05-27  1:50 ` Chen Gang
@ 2013-05-27  1:51 ` Chen Gang
  1 sibling, 0 replies; 3+ messages in thread
From: Chen Gang @ 2013-05-27  1:51 UTC (permalink / raw)
  To: Mike Frysinger, Paul Mundt, realmz paranoid, Geert Uytterhoeven,
	monstr, uclinux-dist-devel@blackfin.uclinux.org,
	linux-kernel@vger.kernel.org, Linux-Arch


For NULL terminated string, need always be sure of ended by zero.

Just use strlcpy() instead of strncpy().


Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
 arch/blackfin/kernel/setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 107b306..c731ec7 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1458,5 +1458,5 @@ void __init cmdline_init(const char *r0)
 {
 	early_shadow_stamp();
 	if (r0)
-		strncpy(command_line, r0, COMMAND_LINE_SIZE);
+		strlcpy(command_line, r0, COMMAND_LINE_SIZE);
 }
-- 
1.7.7.6

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-05-27  1:52 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2013-05-26  7:04 [PATCH] arch: blackfin: kernel: using strlcpy instead of strncpy Chen Gang
2013-05-27  1:50 ` Chen Gang
2013-05-27  1:51 ` [PATCH v2] arch: blackfin: kernel: using strlcpy() instead of strncpy() Chen Gang

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