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b2e538a982
Using WARN() for showing the error of symlink creations don't give
more information than telling that something goes wrong, since the
usual code path is a lregister callback from each control element
creation. More badly, the use of WARN() rather confuses fuzzer as if
it were serious issues.
This patch downgrades the warning messages to use the normal dev_err()
instead of WARN(). For making it clearer, add the function name to
the prefix, too.
Fixes: a135dfb5de15 ("ALSA: led control - add sysfs kcontrol LED marking layer")
Reported-by: syzbot+4e7919b09c67ffd198ae@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/675664c7.050a0220.a30f1.018c.GAE@google.com
Link: https://patch.msgid.link/20241209095614.4273-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>