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Commit 66faa441 authored Mar 11, 2015 by Matteo Semenzato Committed by Greg Kroah-Hartman Mar 16, 2015

Staging: rtl8712: fix potential null pointer dereference



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>

parent 819ef638

drivers/staging/rtl8712/rtl871x_mlme.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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