[alsa-devel] ALSA: echoaudio: remove all snd_printk
Sudip Mukherjee
sudipm.mukherjee at gmail.com
Tue Nov 4 18:11:52 CET 2014
On Tue, Nov 04, 2014 at 05:15:20PM +0100, Takashi Iwai wrote:
> At Tue, 4 Nov 2014 19:01:56 +0300,
> Dan Carpenter wrote:
> >
> > Hello Sudip Mukherjee,
> >
> > The patch b5b4a41b3929: "ALSA: echoaudio: remove all snd_printk" from
> > Nov 3, 2014, leads to the following static checker warning:
> >
> > sound/pci/echoaudio/echoaudio.c:1908 snd_echo_free()
> > error: dereferencing freed memory 'chip'
> >
> > sound/pci/echoaudio/echoaudio.c
> > 1905 /* release chip data */
> > 1906 free_firmware_cache(chip);
> > 1907 kfree(chip);
> > ^^^^^^^^^^^
> > 1908 dev_dbg(chip->card->dev, "Chip freed.\n");
> > ^^^^^^^^^^
oops , missed it. sorry.
> >
> > We have lots of printks in this function. We could just delete them all
> > and no one would care. These days you can get the same information from
> > ftrace.
>
> Yep, maybe it's a wiser choice. Sudip, care to send a clean up patch?
>
sure. i have alredy started. cleanup like Joe Perches suggested from all the functions.
thanks
sudip
>
> thanks,
>
> Takashi
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