From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olliver Schinagl Date: Mon, 3 Apr 2017 16:18:53 +0200 Subject: [U-Boot] [PATCHv2] net: zynq_gem: Do not return -ENOSYS on success Message-ID: <20170403141853.11574-1-oliver@schinagl.nl> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de The .read_rom_hwaddr net_ops hook does not check the return value, which is why it was never caught that we are currently returning 0 if the read_rom_hwaddr function return -ENOSYS and -ENOSYS otherwise. In this case we can simplify this by just returning the result of the function. Signed-off-by: Olliver Schinagl --- Changes since v1: Check pdata for NULL before dereferencing. drivers/net/zynq_gem.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 86dd03feda..52beedfad0 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -589,14 +589,12 @@ __weak int zynq_board_read_rom_ethaddr(unsigned char *ethaddr) static int zynq_gem_read_rom_mac(struct udevice *dev) { - int retval; struct eth_pdata *pdata = dev_get_platdata(dev); - retval = zynq_board_read_rom_ethaddr(pdata->enetaddr); - if (retval == -ENOSYS) - retval = 0; + if (!pdata) + return -ENOSYS; - return retval; + return zynq_board_read_rom_ethaddr(pdata->enetaddr); } static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr, -- 2.11.0