From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Estevam Date: Fri, 11 Sep 2015 00:53:51 -0300 Subject: [U-Boot] [PATCH 1/2] nitrogen6x: Fix the error handling in board_eth_init() Message-ID: <1441943632-4191-1-git-send-email-festevam@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Fabio Estevam We should not return 0 on failure, so return a negative error code instead. Also centralize the error path so that is easier to follow. Cc: Troy Kisky Signed-off-by: Fabio Estevam --- board/boundary/nitrogen6x/nitrogen6x.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c index d46b8db..104d71f 100644 --- a/board/boundary/nitrogen6x/nitrogen6x.c +++ b/board/boundary/nitrogen6x/nitrogen6x.c @@ -387,20 +387,17 @@ int board_eth_init(bd_t *bis) #ifdef CONFIG_FEC_MXC bus = fec_get_miibus(base, -1); if (!bus) - return 0; + return -EINVAL; /* scan phy 4,5,6,7 */ phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); if (!phydev) { - free(bus); - return 0; + ret = -EINVAL; + goto free_bus; } printf("using phy@%d\n", phydev->addr); ret = fec_probe(bis, -1, base, bus, phydev); - if (ret) { - printf("FEC MXC: %s:failed\n", __func__); - free(phydev); - free(bus); - } + if (ret) + goto free_phydev; #endif #ifdef CONFIG_CI_UDC @@ -408,6 +405,12 @@ int board_eth_init(bd_t *bis) usb_eth_initialize(bis); #endif return 0; + +free_phydev: + free(phydev); +free_bus: + free(bus); + return ret; } static void setup_buttons(void) -- 1.9.1