[U-Boot] [PATCH 3/5] mx53smd: Fix error handling in board_mmc_init()

[Fabio Estevam]

From: Fabio Estevam <fabio.estevam at freescale.com>

When an invalid USDHC port is passed we should return -EINVAL instead of 0.

Also, return the error immediately on fsl_esdhc_initialize() failure.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 board/freescale/mx53smd/mx53smd.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/board/freescale/mx53smd/mx53smd.c b/board/freescale/mx53smd/mx53smd.c
index d64c674..0963fd7 100644
--- a/board/freescale/mx53smd/mx53smd.c
+++ b/board/freescale/mx53smd/mx53smd.c
@@ -106,7 +106,7 @@ int board_mmc_init(bd_t *bis)
 	};
 
 	u32 index;
-	s32 status = 0;
+	int ret;
 
 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 
@@ -121,12 +121,14 @@ int board_mmc_init(bd_t *bis)
 			printf("Warning: you configured more ESDHC controller"
 				"(%d) as supported by the board(1)\n",
 				CONFIG_SYS_FSL_ESDHC_NUM);
-			return status;
+			return -EINVAL;
 		}
-		status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+		ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+		if (ret)
+			return ret;
 	}
 
-	return status;
+	return 0;
 }
 #endif
 
-- 
1.9.1