aseqdump: Check the -u option value properly

Instead of passing the value as is, check the value passed to -u
option and bail out for bad values.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/seq/aseqdump/aseqdump.c b/seq/aseqdump/aseqdump.c
index 1c968b1cfc058674b4c760cf97b4a864bd97166a..f717557824ad7f3795eee64e0ffe24eaa110c068 100644 (file)
--- a/seq/aseqdump/aseqdump.c
+++ b/seq/aseqdump/aseqdump.c
@@ -1086,6 +1086,8 @@ int main(int argc, char *argv[])
                        break;
                case 'u':
                        ump_version = atoi(optarg);
+                       if (ump_version < 0 || ump_version > 2)
+                               fatal("Invalid UMP version %d", ump_version);
                        snd_seq_set_client_midi_version(seq, ump_version);
                        break;
                case 'r':