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| author | Colin Ian King <colin.king@canonical.com> | 2015-03-17 01:42:24 +0300 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-03-22 20:14:50 +0300 |
| commit | 37920a74abd6fdf0696730ba80a07843a62c9c54 (patch) | |
| tree | 254856eadad2f766bfaa2ea7f868f9be78030fcc /drivers/net/can | |
| parent | 7e184c28636dce594426cd7d8781d52d1dd447cd (diff) | |
| download | linux-37920a74abd6fdf0696730ba80a07843a62c9c54.tar.xz | |
can: gs_usb: check for kzalloc allocation failure
smatch detected the following issue:
drivers/net/can/usb/gs_usb.c:904 gs_usb_probe() error:
potential null dereference 'dev'. (kzalloc returns null)
Add a check for null return from kzalloc and return -ENOMEM
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/usb/gs_usb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index 009acc8641fc..8b4d3e6875eb 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -901,6 +901,8 @@ static int gs_usb_probe(struct usb_interface *intf, const struct usb_device_id * } dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; init_usb_anchor(&dev->rx_submitted); atomic_set(&dev->active_channels, 0); |