Re: [Patch] Memory Leak in sound/isa/es18xx.c

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On Wednesday 27 September 2006 17:30, Eric Sesterhenn wrote:
> hi,
>
> your patch
> http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdi
>ff;h=1c3985580445ef9225c1ea7714d6d963f7626eeb to add PnP BIOS support to the
> es18xx driver, removed a kfree(cfg) in an error path, was this intentional,
> because coverity flagged it as a memory leak, and i found nothing that
> speaks against it. Attached is a patch to readd the kfree()

Yes, looks just like a stupid bug. Thanks.

> Signed-off-by: Eric Sesterhenn <snakebyte@xxxxxx>
>
> --- linux-2.6.18-git7/sound/isa/es18xx.c.orig	2006-09-27 17:02:57.000000000
> +0200 +++ linux-2.6.18-git7/sound/isa/es18xx.c	2006-09-27
> 17:03:51.000000000 +0200 @@ -2154,6 +2154,7 @@ static int __devinit
> snd_audiodrive_pnpc
>  	}
>  	/* Control port initialization */
>  	if (pnp_activate_dev(acard->devc) < 0) {
> +		kfree(cfg);
>  		snd_printk(KERN_ERR PFX "PnP control configure failure (out of
> resources?)\n"); return -EAGAIN;
>  	}

-- 
Ondrej Zary

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