[PATCH 2/2] kaweth: fix oops upon failed memory allocation

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Just return an error upon failure.

Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
---
 drivers/net/usb/kaweth.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 37bf715..3cd6906 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1049,6 +1049,8 @@ 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)
+				return -ENOMEM;
 		if ((result = kaweth_download_firmware(kaweth,
 						      "kaweth/new_code.bin",
 						      100,
-- 
2.1.4

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