[PATCH 1/1] net: ethernet: ax88796: avoid null pointer dereference
From: Heinrich Schuchardt <hidden>
Date: 2016-07-31 08:05:49
Also in:
lkml
Subsystem:
8390 network drivers [ne2000, 3c503, etc.], networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
If platform_get_resource fails, mem2 is null. Do not dereference null. Signed-off-by: Heinrich Schuchardt <redacted> --- drivers/net/ethernet/8390/ax88796.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c
index 5698f53..39ca935 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);
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2.8.1