Re: [2.6 patch] sound/: fix some memory leaks

At Mon, 13 Mar 2006 23:26:47 +0100,
Adrian Bunk wrote:
> 
> This patch fixes two memory leaks spotted by the Coverity checker.
> 
> 
> Signed-off-by: Adrian Bunk <[email protected]>
> 
> ---
> 
>  sound/drivers/serial-u16550.c |    1 +
>  sound/isa/es18xx.c            |    1 +
>  sound/pci/cs46xx/dsp_spos.c   |   10 +++++++---
>  3 files changed, 9 insertions(+), 3 deletions(-)
> 
> --- linux-2.6.16-rc6-mm1-full/sound/drivers/serial-u16550.c.old	2006-03-13 22:52:25.000000000 +0100
> +++ linux-2.6.16-rc6-mm1-full/sound/drivers/serial-u16550.c	2006-03-13 22:52:59.000000000 +0100
> @@ -789,6 +789,7 @@ static int __init snd_uart16550_create(s
>  
>  	if ((err = snd_uart16550_detect(uart)) <= 0) {
>  		printk(KERN_ERR "no UART detected at 0x%lx\n", iobase);
> +		kfree(uart);
>  		return -ENODEV;
>  	}

This one may leave a requested region after free.  It should be
snd_uart16550_free(uart), instead.

Others look fine.  I'll apply them with the fix above to ALSA tree.


Thanks!

Takashi
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    • From: Adrian Bunk <[email protected]>

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