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/es1688/es1688.c b/sound/isa/es1688/es1688.c
index 102874a703d4..cdcfb57f1f0a 100644
--- a/sound/isa/es1688/es1688.c
+++ b/sound/isa/es1688/es1688.c
@@ -213,7 +213,6 @@ out:
 static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
 {
         snd_card_free(dev_get_drvdata(dev));
-        dev_set_drvdata(dev, NULL);
         return 0;
 }