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ALSA: riptide: clean up while loop 

If getpaths() returned an odd number this would be a buffer under-run and an
endless loop.  It turns out that getpaths() can only return even numbers, but
let's make it easy for people auditing code.  With the new code you don't
need to look at getpaths().

This silences a smatch warning.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Dan Carpenter 2010-03-03 10:13:49 +03:00 committed by Takashi Iwai
parent e61e642c2a
commit 282572b5ab
1 changed files with 3 additions and 3 deletions
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6
sound/pci/riptide/riptide.c
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@ -1974,9 +1974,9 @@ snd_riptide_proc_read(struct snd_info_entry *entry,
}
snd_iprintf(buffer, "Paths:\n");
i = getpaths(cif, p);
while (i--) {
snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
i--;
while (i >= 2) {
i -= 2;
snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
}
snd_iprintf(buffer, "\n");
}