[PATCH v2] [RFT] b43legacy: fix bcm4303 crash

[Stefano Brivio <stefano.brivio@polimi.it>]

This should fix an hard crash which happened upon driver loading on bcm4303
rev. 2 devices. The bug was originally reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=384981.
Please test.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
---
Sorry, I forgot to run 'quilt refresh'.

Index: wireless-testing/drivers/ssb/main.c
===================================================================
--- wireless-testing.orig/drivers/ssb/main.c
+++ wireless-testing/drivers/ssb/main.c
@@ -1082,6 +1082,12 @@ int ssb_bus_may_powerdown(struct ssb_bus
 		goto out;
 
 	cc = &bus->chipco;
+
+	if (!cc->dev)
+		goto out;
+	if (cc->dev->id.revision < 5)
+		goto out;
+
 	ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW);
 	err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
 	if (err)



-- 
Ciao
Stefano