From: Himangi Saraogi <[email protected]> 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: // <smpl> @@ expression e,e1; statement S; @@ *e = devm_ioremap_resource(...); if (!e1) S // </smpl> Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Acked-by Boris BREZILLON <[email protected]> Signed-off-by: Mike Turquette <[email protected]> Signed-off-by: sam-the-6 <[email protected]> --- drivers/clk/sunxi/clk-sun6i-apb0-gates.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c index 44cd27c..670f90d 100644 --- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c +++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c @@ -29,7 +29,7 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(&pdev->dev, r); - if (!reg) + if (IS_ERR(reg)) return PTR_ERR(reg); clk_parent = of_clk_get_parent_name(np, 0); -- 1.7.10.4 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
