[POWERPC] pmac_feature_call checks platform

This patch makes sure that a caller of pmac_call_feature() won't try
to call into ppc_md.feature_call of another platform, which might
happen if some powermac drivers are loaded on non-powermac machines.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h
index d3599cc9aa74..d43d91beba9b 100644
--- a/include/asm-powerpc/pmac_feature.h
+++ b/include/asm-powerpc/pmac_feature.h
@@ -146,7 +146,7 @@ struct device_node;
 static inline long pmac_call_feature(int selector, struct device_node* node,
                                         long param, long value)
 {
-        if (!ppc_md.feature_call)
+        if (!ppc_md.feature_call || !machine_is(powermac))
                 return -ENODEV;
         return ppc_md.feature_call(selector, node, param, value);
 }