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* [PATCH] x86: boot/compressed/mkpiggy.c: fix resource leakage
@ 2013-01-14 18:14 Cong Ding
  2013-01-15  1:18 ` David Daney
  0 siblings, 1 reply; 2+ messages in thread
From: Cong Ding @ 2013-01-14 18:14 UTC (permalink / raw)
  To: H. Peter Anvin, Thomas Gleixner, Ingo Molnar, x86, Matt Fleming,
	linux-kernel
  Cc: Cong Ding

the file should be closed if it goes to error.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
---
 arch/x86/boot/compressed/mkpiggy.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 958a641..e29154f 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -58,6 +58,7 @@ int main(int argc, char *argv[])
 
 	if (fread(&olen, sizeof(olen), 1, f) != 1) {
 		perror(argv[1]);
+		fclose(f);
 		return 1;
 	}
 
-- 
1.7.9.5


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] x86: boot/compressed/mkpiggy.c: fix resource leakage
  2013-01-14 18:14 [PATCH] x86: boot/compressed/mkpiggy.c: fix resource leakage Cong Ding
@ 2013-01-15  1:18 ` David Daney
  0 siblings, 0 replies; 2+ messages in thread
From: David Daney @ 2013-01-15  1:18 UTC (permalink / raw)
  To: Cong Ding
  Cc: H. Peter Anvin, Thomas Gleixner, Ingo Molnar, x86, Matt Fleming,
	linux-kernel

On 01/14/2013 10:14 AM, Cong Ding wrote:
> the file should be closed if it goes to error.
>

What tool are you using to generate all these patches?


> Signed-off-by: Cong Ding <dinggnu@gmail.com>
> ---
>   arch/x86/boot/compressed/mkpiggy.c |    1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
> index 958a641..e29154f 100644
> --- a/arch/x86/boot/compressed/mkpiggy.c
> +++ b/arch/x86/boot/compressed/mkpiggy.c
> @@ -58,6 +58,7 @@ int main(int argc, char *argv[])
>
>   	if (fread(&olen, sizeof(olen), 1, f) != 1) {
>   		perror(argv[1]);
> +		fclose(f);

The next line is a return from main().  All FILEs will be automatically 
closed by the C library, so your change is redundant.

The x86 maintainers can do what ever they want with it.  But to me, it 
seems like unnecessary code churn.

David Daney

>   		return 1;
>   	}
>
>


^ permalink raw reply	[flat|nested] 2+ messages in thread

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