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kaweth: fix oops upon failed memory allocation

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commit 575ced7f8090c1a4e91e2daf8da9352a6a1fc7a7 upstream.

Just return an error upon failure.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2016-08-17 15:51:56 +02:00 committed by Greg Kroah-Hartman
parent 19ba0e65d6
commit 9402c62667
1 changed files with 6 additions and 1 deletions
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7
drivers/net/usb/kaweth.c
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@ -1009,6 +1009,7 @@ static int kaweth_probe(
struct net_device *netdev;
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
int result = 0;
int rv = -EIO;
dev_dbg(dev,
"Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x\n",
@ -1049,6 +1050,10 @@ static int kaweth_probe(
/* Download the firmware */
dev_info(dev, "Downloading firmware...\n");
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
if (!kaweth->firmware_buf) {
rv = -ENOMEM;
goto err_free_netdev;
}
if ((result = kaweth_download_firmware(kaweth,
"kaweth/new_code.bin",
100,
@ -1203,7 +1208,7 @@ err_only_tx:
err_free_netdev:
free_netdev(netdev);
return -EIO;
return rv;
}
/****************************************************************