This patch changes kmalloc followed by memcpy to kmemdup.
The error checking is also added when kmemdup is failed.
Signed-off-by: Chaehyun Lim <chaehyun.lim@xxxxxxxxx>
---
drivers/staging/wilc1000/host_interface.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 0028bed..51b6ddb 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -3296,8 +3296,11 @@ int host_int_add_rx_gtk(struct host_if_drv *hif_drv, const u8 *rx_gtk,
key_len += TX_MIC_KEY_LEN;
if (key_rsc) {
- msg.body.key_info.attr.wpa.seq = kmalloc(key_rsc_len, GFP_KERNEL);
- memcpy(msg.body.key_info.attr.wpa.seq, key_rsc, key_rsc_len);
+ msg.body.key_info.attr.wpa.seq = kmemdup(key_rsc,
+ key_rsc_len,
+ GFP_KERNEL);
+ if (!msg.body.key_info.attr.wpa.seq)
+ return -ENOMEM;
}
msg.id = HOST_IF_MSG_KEY;
@@ -3311,8 +3314,11 @@ int host_int_add_rx_gtk(struct host_if_drv *hif_drv, const u8 *rx_gtk,
if (mode == STATION_MODE)
msg.body.key_info.action = ADDKEY;
- msg.body.key_info.attr.wpa.key = kmalloc(key_len, GFP_KERNEL);
- memcpy(msg.body.key_info.attr.wpa.key, rx_gtk, gtk_key_len);
+ msg.body.key_info.attr.wpa.key = kmemdup(rx_gtk,
+ key_len,
+ GFP_KERNEL);
+ if (!msg.body.key_info.attr.wpa.key)
+ return -ENOMEM;
if (rx_mic)
memcpy(msg.body.key_info.attr.wpa.key + 16, rx_mic,
--
2.6.3
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