From: Julia Lawall <julia.law...@lip6.fr> devm_ioremap_resource returns an ERR_PTR value, not NULL, on failure.
A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression e,e1; statement S; @@ *e = devm_ioremap_resource(...); if (!e1) S // </smpl> Signed-off-by: Julia Lawall <julia.law...@lip6.fr> --- drivers/mmc/host/jz4740_mmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 0308c9f..30589c8 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -783,8 +783,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); host->base = devm_ioremap_resource(&pdev->dev, res); - if (!host->base) { - ret = -EBUSY; + if (IS_ERR(host->base)) { + ret = PTR_ERR(host->base); dev_err(&pdev->dev, "Failed to ioremap base memory\n"); goto err_free_host; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
