ALSA: ISA: Remove superfluous *_set_drvdata(NULL) calls

Similarly like the previous commit for PCI drivers, remove
dev_set_drvdata(NULL) and pnp_set_drvdata(NULL) calls in ISA drivers
now.

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

1 files changed, 0 insertions, 1 deletions

diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
index 16bca4e96c08..1adc1b924f39 100644
--- a/sound/isa/gus/gusclassic.c
+++ b/sound/isa/gus/gusclassic.c
@@ -215,7 +215,6 @@ out:	snd_card_free(card);
 static int snd_gusclassic_remove(struct device *dev, unsigned int n)
 {
         snd_card_free(dev_get_drvdata(dev));
-        dev_set_drvdata(dev, NULL);
         return 0;
 }