[PATCH v2 6/9] staging: wilc1000: fix to free allocated memory in wilc_add_ptk()

Ajay Singh ajay.kathat at microchip.com
Mon Mar 26 11:46:00 UTC 2018


Free allocated memory in wilc_add_ptk() when it fails to enqueue the
command.

Signed-off-by: Ajay Singh <ajay.kathat at microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 drivers/staging/wilc1000/host_interface.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 0494234..e58fa87 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -2781,7 +2781,7 @@ int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
 		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
 		 u8 mode, u8 cipher_mode, u8 index)
 {
-	int result = 0;
+	int result;
 	struct host_if_msg msg;
 	struct host_if_drv *hif_drv = vif->hif_drv;
 	u8 key_len = ptk_key_len;
@@ -2826,13 +2826,14 @@ int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
 	msg.vif = vif;
 
 	result = wilc_enqueue_cmd(&msg);
-
-	if (result)
+	if (result) {
 		netdev_err(vif->ndev, "PTK Key\n");
-	else
-		wait_for_completion(&hif_drv->comp_test_key_block);
+		kfree(msg.body.key_info.attr.wpa.key);
+		return result;
+	}
 
-	return result;
+	wait_for_completion(&hif_drv->comp_test_key_block);
+	return 0;
 }
 
 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
-- 
2.7.4



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