diff options
| author | Oliver Neukum <oneukum@suse.com> | 2019-05-09 12:08:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-09 19:35:40 +0300 |
| commit | b8b277525e9df2fd2dc3d1f4fe01c6796bb107fc (patch) | |
| tree | d4c2af4b3e7545a1b0d5092264daf41fbdd9245c | |
| parent | 873017af778439f2f8e3d87f28ddb1fcaf244a76 (diff) | |
| download | linux-b8b277525e9df2fd2dc3d1f4fe01c6796bb107fc.tar.xz | |
aqc111: fix endianness issue in aqc111_change_mtu
If the MTU is large enough, the first write to the device
is just repeated. On BE architectures, however, the first
word of the command will be swapped a second time and garbage
will be written. Avoid that.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/usb/aqc111.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index aff995be2a31..408df2d335e3 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -453,6 +453,8 @@ static int aqc111_change_mtu(struct net_device *net, int new_mtu) reg16 = 0x1420; else if (dev->net->mtu <= 16334) reg16 = 0x1A20; + else + return 0; aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW, 2, ®16); |