netxen: do_rom_fast_write error handling

Compiler warning spots real error!

The function do_rom_fast_read called in do_rom_fast_write can fail
and leave data1 unset. This causes a compile warning.
The correct thing is to propagate the error out.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 2f324366784d..2f965701a95b 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -499,7 +499,10 @@ static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
                 while(1) {
                         int data1;
 
-                        do_rom_fast_read(adapter, addridx, &data1);
+                        ret = do_rom_fast_read(adapter, addridx, &data1);
+                        if (ret < 0)
+                                return ret;
+
                         if (data1 == data)
                                 break;