ALSA: seq: ump: Fix -Wformat-truncation warning

The filling of a port name string got a warning with W=1 due to the
potentially too long group name.  Add the string precision to limit
the size.

Fixes: 81fd444aa371 ("ALSA: seq: Bind UMP device")
Link: https://lore.kernel.org/r/20230915082802.28684-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c
index a60e3f069a80fd43b7d83c0a34be636adf157262..2db371d79930d0f2af7630f50901a3d69006e538 100644 (file)
--- a/sound/core/seq/seq_ump_client.c
+++ b/sound/core/seq/seq_ump_client.c
@@ -207,7 +207,7 @@ static void fill_port_info(struct snd_seq_port_info *port,
                SNDRV_SEQ_PORT_TYPE_PORT;
        port->midi_channels = 16;
        if (*group->name)
-               snprintf(port->name, sizeof(port->name), "Group %d (%s)",
+               snprintf(port->name, sizeof(port->name), "Group %d (%.53s)",
                         group->group + 1, group->name);
        else
                sprintf(port->name, "Group %d", group->group + 1);