Re: [PATCH 3/4] sound: Use stringbuf

[Matthew Wilcox <matthew@wil.cx>]

On Wed, Oct 24, 2007 at 04:18:40PM +0200, Takashi Iwai wrote:
> At Tue, 23 Oct 2007 17:12:45 -0400,
> Matthew Wilcox wrote:
> > 
> > sound/ had its own snd_info_buffer for doing proc reads, which can be
> > profitably replaced with stringbuf.  It actually finds a bug since ->read
> > and ->write now have a different signature.
> 
> Do you mean the assignment of snd_ca0106_proc_reg_write?
> I also found it out today coindentally :)

I was referring to this hunk, so yes:

@@ -448,10 +448,9 @@ int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
 //             entry->private_data = emu;
        }
        if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
-               snd_info_set_text_ops(entry, emu, snd_ca0106_proc_i2c_write);
+               entry->private_data = emu;
                entry->c.text.write = snd_ca0106_proc_i2c_write;
                entry->mode |= S_IWUSR;
-//             entry->private_data = emu;
        }
        if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry)) 
                snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);


> Any other bugs I missed?

Let me try to find them ... there was this warning fix:

diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c
index a901cd1..9a64035 100644
--- a/sound/isa/ad1848/ad1848_lib.c
+++ b/sound/isa/ad1848/ad1848_lib.c
@@ -213,7 +213,7 @@ static void snd_ad1848_mce_down(struct snd_ad1848 *chip)
        for (timeout = 12000; timeout > 0 && (inb(AD1848P(chip, REGSEL)) & AD184
8_INIT); timeout--)
                udelay(100);
 
-       snd_printdd("(1) timeout = %d\n", timeout);
+       snd_printdd("(1) timeout = %ld\n", timeout);
 
 #ifdef CONFIG_SND_DEBUG
        if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT)

but I think that's the only one.

> > -static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
> > +static void snd_ac97_proc_regs_write(struct snd_info_entry *entry, struct stringbuf *buffer)
> 
> This shouldn't be changed.

Quite right, sorry about that, will omit it from the next round.

-- 
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"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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