4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Colin Ian King <[email protected]> [ Upstream commit 6cc0c259d034c6ab48f4e12f505213988e73d380 ] Add a sanity check that wid.val has been allocated, fixes a null pointer deference on stamac when calling ether_add_copy. Detected by CoverityScan, CID#1369537 ("Dereference null return value") Signed-off-by: Colin Ian King <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/staging/wilc1000/host_interface.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -1930,6 +1930,8 @@ static s32 Handle_Get_InActiveTime(struc wid.type = WID_STR; wid.size = ETH_ALEN; wid.val = kmalloc(wid.size, GFP_KERNEL); + if (!wid.val) + return -ENOMEM; stamac = wid.val; memcpy(stamac, strHostIfStaInactiveT->mac, ETH_ALEN);
