commit 4e6a06eec46067df3c30fe1fbc2e1a7cc37b9678
author David Woodhouse <dwmw2@infradead.org> Wed Aug 17 11:36:35 2005 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> Wed Aug 17 14:55:37 2005 -0700
tree aca4c35e2d288bbdf5248be241c52f67f820bb59
parent ac9af7cba9e642961bfdee1a1fac6060405597e5

[PATCH] Stop snd-powermac oopsing on non-pmac hardware.

We shouldn't be assuming that ppc_md.feature_call will be present.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

sound/ppc/pmac.c

diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 844d761..c89e82e 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -765,7 +765,8 @@
  */
 static void snd_pmac_sound_feature(pmac_t *chip, int enable)
 {
-	ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);
+	if (ppc_md.feature_call)
+		ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable);
 }
 
 /*