[PATCH 1/2] arch/arm/mach-omap2/dma.c: Convert IS_ERR result to PTR_ERR

Julia Lawall
2011-01-27T15:49:06Z

This code elsewhere returns a negative constant to an indicate an error,
while IS_ERR returns the result of a >= operation.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x;
@@

if (...) { ...
- return IS_ERR(x);
+ return PTR_ERR(x);
}
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>

---
arch/arm/mach-omap2/dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff -u -p a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c
--- a/arch/arm/mach-omap2/dma.c
+++ b/arch/arm/mach-omap2/dma.c
@@ -264,7 +264,7 @@ static int __init omap2_system_dma_init_
if (IS_ERR(od)) {
pr_err("%s: Cant build omap_device for %s:%s.\n",
__func__, name, oh->name);
- return IS_ERR(od);
+ return PTR_ERR(od);
}

mem = platform_get_resource(&od->pdev, IORESOURCE_MEM, 0);