Add the missing unlock before return from function etnaviv_iommuv1_context_alloc()
in the error handling case.
Fixes: 27b67278e007 ("drm/etnaviv: rework MMU handling")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
index aac8dbf3ea56..1a7c89a67bea 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
@@ -140,8 +140,10 @@ etnaviv_iommuv1_context_alloc(struct etnaviv_iommu_global *global)
}
v1_context = kzalloc(sizeof(*v1_context), GFP_KERNEL);
- if (!v1_context)
+ if (!v1_context) {
+ mutex_unlock(&global->lock);
return NULL;
+ }
v1_context->pgtable_cpu = dma_alloc_wc(global->dev, PT_SIZE,
&v1_context->pgtable_dma,
