r8169: NULL pointer dereference on r8169 load
mmio_addr in r8169 needs to be initialized before use
Maybe that all tp-> initialization should be moved before rtl_init_mac_address call,
but this is enough to get rid of crash in rtl_rar_set due to mmio_addr being uninitialized.
Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index bdae2c5..c821da2 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2154,6 +2154,8 @@
spin_lock_init(&tp->lock);
+ tp->mmio_addr = ioaddr;
+
rtl_init_mac_address(tp, ioaddr);
/* Get MAC address */
@@ -2186,7 +2188,6 @@
#endif
tp->intr_mask = 0xffff;
- tp->mmio_addr = ioaddr;
tp->align = cfg->align;
tp->hw_start = cfg->hw_start;
tp->intr_event = cfg->intr_event;