[PATCH 15/15] arch/arm/mach-omap2/smartreflex.c: add missing iounmap

From: Julia Lawall
Date: Thu Jan 12 2012 - 04:56:18 EST


From: Julia Lawall <Julia.Lawall@xxxxxxx>

Add missing iounmap in error handling code, in a case where the function
already preforms iounmap on some other execution path.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
statement S,S1;
int ret;
@@
e = \(ioremap\|ioremap_nocache\)(...)
... when != iounmap(e)
if (<+...e...+>) S
... when any
when != iounmap(e)
*if (...)
{ ... when != iounmap(e)
return ...; }
... when any
iounmap(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

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

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 9dd9345..7e755bb 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -897,7 +897,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
ret = sr_late_init(sr_info);
if (ret) {
pr_warning("%s: Error in SR late init\n", __func__);
- return ret;
+ goto err_iounmap;
}
}


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