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Subject[PATCH] Staging: rtl8712: fix potential null pointer dereference
Date
From: Matteo Semenzato <mattew8898@gmail.com>

Check if kmalloc succeded before using the pointer in memcpy.

Signed-off-by: Matteo Semenzato <mattew8898@gmail.com>
---
drivers/staging/rtl8712/rtl871x_mlme.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c
index 977a833..c6e9012 100644
--- a/drivers/staging/rtl8712/rtl871x_mlme.c
+++ b/drivers/staging/rtl8712/rtl871x_mlme.c
@@ -727,6 +727,8 @@ void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)

if (sizeof(struct list_head) == 4 * sizeof(u32)) {
pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
+ if (!pnetwork)
+ return;
memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
sizeof(struct wlan_network) - 16);
} else
--
2.3.2


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