Re: [PATCH] x86: boot/compressed/mkpiggy.c: fix resource leakage

From: David Daney
Date: Mon Jan 14 2013 - 20:18:32 EST


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@xxxxxxxxx>
---
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;
}



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