wimax: fix gcc warnings in sh4 when calling BUG()

SH4's BUG() seems to confuse the compiler as it is considered to
return; thus, some functions would trigger usage of uninitialized
variables or non-void functions returning void.

Work around by initializing/returning.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/wimax/i2400m/op-rfkill.c b/drivers/net/wimax/i2400m/op-rfkill.c
index 487ec58cea46..43927b5d7ad6 100644
--- a/drivers/net/wimax/i2400m/op-rfkill.c
+++ b/drivers/net/wimax/i2400m/op-rfkill.c
@@ -54,8 +54,10 @@ int i2400m_radio_is(struct i2400m *i2400m, enum wimax_rf_state state)
                 /* state == WIMAX_RF_ON */
                 return i2400m->state != I2400M_SS_RF_OFF
                         && i2400m->state != I2400M_SS_RF_SHUTDOWN;
-        else
+        else {
                 BUG();
+                return -EINVAL; /* shut gcc warnings on certain arches */
+        }
 }