amd-xgbe: use dma_mapping_error to check map errors
[ Upstream commit
b24dbfe9ce03d9f83306616f22fb0e04e8960abe ]
The dma_mapping_error() returns true or false, but we want
to return -ENOMEM if there was an error.
Fixes:
174fd2597b0b ("amd-xgbe: Implement split header receive support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>