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 <[email protected]> Cc: Kevin Hilman <[email protected]> Cc: Tony Lindgren <[email protected]> Signed-off-by: Daniel Walker <[email protected]> --- arch/arm/plat-omap/iovmm.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 57f7122..9b6cb90 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); -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
