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ALSA: ump: Don't update FB name for static blocks

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When a device tries to update the FB name string even if its Endpoint
is declared as static, we should skip it, just already done for the FB
info update reply.

Fixes: 37e0e14128 ("ALSA: ump: Support UMP Endpoint and Function Block parsing")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240722135929.8612-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2024-07-22 15:59:28 +02:00
parent 21451dfd85
commit 9a4ab167cf
1 changed files with 7 additions and 0 deletions
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7
sound/core/ump.c
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@ -806,6 +806,13 @@ static int ump_handle_fb_name_msg(struct snd_ump_endpoint *ump,
if (!fb)
return -ENODEV;
if (ump->parsed &&
(ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS)) {
ump_dbg(ump, "Skipping static FB name update (blk#%d)\n",
fb->info.block_id);
return 0;
}
ret = ump_append_string(ump, fb->info.name, sizeof(fb->info.name),
buf->raw, 3);
/* notify the FB name update to sequencer, too */