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net: caif: spi: fix potential NULL dereference
author
Vasiliy Kulikov
<segoon@openwall.com>
Thu, 18 Nov 2010 18:35:58 +0000
(10:35 -0800)
committer
David S. Miller
<davem@davemloft.net>
Thu, 18 Nov 2010 18:35:58 +0000
(10:35 -0800)
alloc_netdev() is not checked here for NULL return value. dev is
check instead. It might lead to NULL dereference of ndev.
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/caif/caif_spi.c
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diff --git
a/drivers/net/caif/caif_spi.c
b/drivers/net/caif/caif_spi.c
index
8b4cea5
..
20da199
100644
(file)
--- a/
drivers/net/caif/caif_spi.c
+++ b/
drivers/net/caif/caif_spi.c
@@
-635,8
+635,8
@@
int cfspi_spi_probe(struct platform_device *pdev)
ndev = alloc_netdev(sizeof(struct cfspi),
"cfspi%d", cfspi_setup);
- if (!dev)
- return -ENO
DEV
;
+ if (!
n
dev)
+ return -ENO
MEM
;
cfspi = netdev_priv(ndev);
netif_stop_queue(ndev);