Messages in this thread Patch in this message | | | From | Matteo Semenzato <> | Subject | [PATCH] Staging: rtl8712: fix potential null pointer dereference | Date | Wed, 11 Mar 2015 14:31:14 +0100 |
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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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