redonkable/alistair23-linux
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Staging: rtl8712: fix potential null pointer dereference

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Check if kmalloc succeded before using the pointer in memcpy.

Signed-off-by: Matteo Semenzato <mattew8898@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matteo Semenzato 2015-03-11 14:31:14 +01:00 committed by Greg Kroah-Hartman
parent 819ef63815
commit 66faa441a6
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/rtl8712/rtl871x_mlme.c
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@ -725,6 +725,8 @@ 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