Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: ump: Don't update FB name for static blocks
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: 37e0e14128e0 ("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>
+7
+7
sound/core/ump.c
+7
sound/core/ump.c
···
806
806
if (!fb)
807
807
return -ENODEV;
808
808
809
+
if (ump->parsed &&
810
+
(ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS)) {
811
+
ump_dbg(ump, "Skipping static FB name update (blk#%d)\n",
812
+
fb->info.block_id);
813
+
return 0;
814
+
}
815
+
809
816
ret = ump_append_string(ump, fb->info.name, sizeof(fb->info.name),
810
817
buf->raw, 3);
811
818
/* notify the FB name update to sequencer, too */