[ALSA] powermac - Fix Oops when conflicting with aoa driver
Takashi Iwai [Sun, 17 Sep 2006 20:00:51 +0000 (22:00 +0200)]
Fixed Oops when conflictin with aoa driver due to lack of
i2c initialization.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/ppc/keywest.c

index 59482a4..272ae38 100644 (file)
@@ -117,6 +117,9 @@ int __init snd_pmac_tumbler_post_init(void)
 {
        int err;
        
+       if (!keywest_ctx || !keywest_ctx->client)
+               return -ENXIO;
+
        if ((err = keywest_ctx->init_client(keywest_ctx)) < 0) {
                snd_printk(KERN_ERR "tumbler: %i :cannot initialize the MCS\n", err);
                return err;