Oct 06 2009

omap: iovmm: Add missing mutex_unlock 

Author: Daniel Walker <dwalker@fifo99.com>

I was using Coccinelle with the mutex_unlock semantic patch, and it
unconvered this problem. It appears to be a valid missing unlock issue.
This change should correct it by moving the unlock below the label.

This patch is against the mainline kernel.

Cc: Julia Lawall 
Cc: Hiroshi DOYU 
Signed-off-by: Daniel Walker 
Signed-off-by: Kevin Hilman 
Signed-off-by: Tony Lindgren 

---
 arch/arm/plat-omap/iovmm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 0e5573d..dc3fac3 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -363,8 +363,9 @@ void *da_to_va(struct iommu *obj, u32 da)
 		goto out;
 	}
 	va = area->va;
-	mutex_unlock(&obj->mmap_lock);
 out:
+	mutex_unlock(&obj->mmap_lock);
+
 	return va;
 }
 EXPORT_SYMBOL_GPL(da_to_va);

qlambert