diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
index 7e89776baa97..02c1017156d5 100644
--- a/drivers/staging/wilc1000/host_interface.h
+++ b/drivers/staging/wilc1000/host_interface.h
@@ -317,7 +317,7 @@ int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
 		 u8 mode, u8 cipher_mode, u8 index);
 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
 			   u32 *pu32InactiveTime);
-s32 wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *pu8RxGtk, u8 u8GtkKeylen,
+int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *pu8RxGtk, u8 u8GtkKeylen,
 		    u8 u8KeyIdx, u32 u32KeyRSClen, const u8 *KeyRSC,
 		    const u8 *pu8RxMic, const u8 *pu8TxMic, u8 mode,
 		    u8 u8Ciphermode);