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drm/etnaviv: fix missing unlock on error in etnaviv_iommuv1_context_alloc()

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Add the missing unlock before return from function etnaviv_iommuv1_context_alloc()
in the error handling case.

Fixes: 27b67278e0 ("drm/etnaviv: rework MMU handling")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Wei Yongjun
2019-08-19 06:17:33 +00:00
committed by Lucas Stach
parent 578d2342ec
commit dbcc574a4b
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/etnaviv/etnaviv_iommu.c
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@@ -140,8 +140,10 @@ etnaviv_iommuv1_context_alloc(struct etnaviv_iommu_global *global)
} }
v1_context = kzalloc(sizeof(*v1_context), GFP_KERNEL); v1_context = kzalloc(sizeof(*v1_context), GFP_KERNEL);
if (!v1_context) if (!v1_context) {
mutex_unlock(&global->lock);
return NULL; return NULL;
}
v1_context->pgtable_cpu = dma_alloc_wc(global->dev, PT_SIZE, v1_context->pgtable_cpu = dma_alloc_wc(global->dev, PT_SIZE,
&v1_context->pgtable_dma, &v1_context->pgtable_dma,