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* [PATCH] ALSA: usb-audio: Fix a limit check in proc_dump_substream_formats()
@ 2020-04-22  9:22 Dan Carpenter
  2020-04-22  9:29 ` Takashi Iwai
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2020-04-22  9:22 UTC (permalink / raw)
  To: Jaroslav Kysela, Takashi Iwai; +Cc: alsa-devel, kernel-janitors, Allison Randal

This should be ARRAY_SIZE() instead of sizeof().  The sizeof() limit is
too high so it doesn't work.

Fixes: 093b8494f299 ("ALSA: usb-audio: Print more information in stream proc files")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 sound/usb/proc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/proc.c b/sound/usb/proc.c
index 5a36e192ebb0..889c550c9f29 100644
--- a/sound/usb/proc.c
+++ b/sound/usb/proc.c
@@ -140,7 +140,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
 
 			snd_iprintf(buffer, "    Channel map:");
 			for (c = 0; c < map->channels; c++) {
-				if (map->map[c] >= sizeof(channel_labels) ||
+				if (map->map[c] >= ARRAY_SIZE(channel_labels) ||
 				    !channel_labels[map->map[c]])
 					snd_iprintf(buffer, " --");
 				else
-- 
2.26.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] ALSA: usb-audio: Fix a limit check in proc_dump_substream_formats()
  2020-04-22  9:22 [PATCH] ALSA: usb-audio: Fix a limit check in proc_dump_substream_formats() Dan Carpenter
@ 2020-04-22  9:29 ` Takashi Iwai
  0 siblings, 0 replies; 2+ messages in thread
From: Takashi Iwai @ 2020-04-22  9:29 UTC (permalink / raw)
  To: Dan Carpenter; +Cc: alsa-devel, kernel-janitors, Takashi Iwai, Allison Randal

On Wed, 22 Apr 2020 11:22:55 +0200,
Dan Carpenter wrote:
> 
> This should be ARRAY_SIZE() instead of sizeof().  The sizeof() limit is
> too high so it doesn't work.
> 
> Fixes: 093b8494f299 ("ALSA: usb-audio: Print more information in stream proc files")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks, applied.


Takashi

^ permalink raw reply	[flat|nested] 2+ messages in thread

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