[PATCH 2/6] mmc: fsl_esdhc_imx: Cannot test unsigned to be < 0

[Andrew Goodbody]

Testing an unisgned member of a struct to be <= 0 will only detect the
case when it is 0. So correct this error test to a working version that
will behave as expected.

Signed-off-by: Andrew Goodbody <andrew.goodbody at linaro.org>
---
 drivers/mmc/fsl_esdhc_imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index 926113f79d363a3e69bcb3ca46fb8fb3c2178e91..7dc76563b7e43f692d709a299e006ed0e2d6f3b7 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -1543,7 +1543,7 @@ static int fsl_esdhc_probe(struct udevice *dev)
 	init_clk_usdhc(dev_seq(dev));
 
 	priv->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK + dev_seq(dev));
-	if (priv->sdhc_clk <= 0) {
+	if (!priv->sdhc_clk || IS_ERR_VALUE(priv->sdhc_clk)) {
 		dev_err(dev, "Unable to get clk for %s\n", dev->name);
 		return -EINVAL;
 	}

-- 
2.47.3