staging: wilc1000: remove wilc_free_join_params

wilc_free_join_params call kfree. There is no need to use
wrapper function, so use kfree directly.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 53fb2d4..be5704b 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -196,7 +196,7 @@
 				last_scanned_shadow[last_scanned_cnt].pu8IEs = NULL;
 			}
 
-			wilc_free_join_params(last_scanned_shadow[i].pJoinParams);
+			kfree(last_scanned_shadow[i].pJoinParams);
 			last_scanned_shadow[i].pJoinParams = NULL;
 		}
 		last_scanned_cnt = 0;
@@ -282,7 +282,7 @@
 			kfree(last_scanned_shadow[i].pu8IEs);
 			last_scanned_shadow[i].pu8IEs = NULL;
 
-			wilc_free_join_params(last_scanned_shadow[i].pJoinParams);
+			kfree(last_scanned_shadow[i].pJoinParams);
 
 			for (j = i; (j < last_scanned_cnt - 1); j++)
 				last_scanned_shadow[j] = last_scanned_shadow[j + 1];
@@ -376,7 +376,7 @@
 	last_scanned_shadow[ap_index].u32TimeRcvdInScanCached = jiffies;
 	last_scanned_shadow[ap_index].u8Found = 1;
 	if (ap_found != -1)
-		wilc_free_join_params(last_scanned_shadow[ap_index].pJoinParams);
+		kfree(last_scanned_shadow[ap_index].pJoinParams);
 	last_scanned_shadow[ap_index].pJoinParams = pJoinParams;
 }