diff options
| author | Oliver Neukum <oneukum@suse.com> | 2016-08-17 15:51:56 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-06 19:19:42 -0700 |
| commit | 9402c626670435ff573c517f7221a367facae44a (patch) | |
| tree | 25376e80ae4b44b59ea8a4ba18ea0c26c74df8f9 /drivers/net/usb/kaweth.c | |
| parent | 19ba0e65d60b2859c6c55ff16a4637d2158d708b (diff) | |
kaweth: fix oops upon failed memory allocation
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>
Diffstat (limited to 'drivers/net/usb/kaweth.c')
| -rw-r--r-- | drivers/net/usb/kaweth.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c index 9f900eee27be..cd93220c9b45 100644 --- a/drivers/net/usb/kaweth.c +++ b/drivers/net/usb/kaweth.c @@ -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; } /**************************************************************** |