From: xypron.glpk@gmx.de Date: Sun, 31 Jul 2016 07:58:44 +0000 (+0200) Subject: net: ethernet: ax88796: avoid null pointer dereference X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=09d306d79dd784415c37363c02b5d9eb0157d9a4;p=linux-beck.git net: ethernet: ax88796: avoid null pointer dereference If platform_get_resource fails, mem2 is null. Do not dereference null. Signed-off-by: Heinrich Schuchardt Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c index 5698f5354c0b..39ca9350d1b2 100644 --- a/drivers/net/ethernet/8390/ax88796.c +++ b/drivers/net/ethernet/8390/ax88796.c @@ -910,7 +910,8 @@ static int ax_probe(struct platform_device *pdev) iounmap(ax->map2); exit_mem2: - release_mem_region(mem2->start, mem2_size); + if (mem2) + release_mem_region(mem2->start, mem2_size); exit_mem1: iounmap(ei_local->mem);