This is a note to let you know that I've just added the patch titled
kaweth: fix oops upon failed memory allocation
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kaweth-fix-oops-upon-failed-memory-allocation.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 575ced7f8090c1a4e91e2daf8da9352a6a1fc7a7 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Wed, 17 Aug 2016 15:51:56 +0200
Subject: kaweth: fix oops upon failed memory allocation
From: Oliver Neukum <oneukum@xxxxxxxx>
commit 575ced7f8090c1a4e91e2daf8da9352a6a1fc7a7 upstream.
Just return an error upon failure.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Amit Pundir <amit.pundir@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/usb/kaweth.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- 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;
}
/****************************************************************
Patches currently in stable-queue which might be from oneukum@xxxxxxxx are
queue-4.4/kaweth-fix-oops-upon-failed-memory-allocation.patch
queue-4.4/kaweth-fix-firmware-download.patch