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path: root/drivers/gpu/drm/i915/i915_gem_dmabuf.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_dmabuf.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_dmabuf.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
index 7d5752fda5f1..9bb533e0d762 100644
--- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c
@@ -125,13 +125,15 @@ static void *i915_gem_dmabuf_vmap(struct dma_buf *dma_buf)
125 125
126 ret = i915_gem_object_get_pages(obj); 126 ret = i915_gem_object_get_pages(obj);
127 if (ret) 127 if (ret)
128 goto error; 128 goto err;
129
130 i915_gem_object_pin_pages(obj);
129 131
130 ret = -ENOMEM; 132 ret = -ENOMEM;
131 133
132 pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages)); 134 pages = drm_malloc_ab(obj->base.size >> PAGE_SHIFT, sizeof(*pages));
133 if (pages == NULL) 135 if (pages == NULL)
134 goto error; 136 goto err_unpin;
135 137
136 i = 0; 138 i = 0;
137 for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) 139 for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0)
@@ -141,15 +143,16 @@ static void *i915_gem_dmabuf_vmap(struct dma_buf *dma_buf)
141 drm_free_large(pages); 143 drm_free_large(pages);
142 144
143 if (!obj->dma_buf_vmapping) 145 if (!obj->dma_buf_vmapping)
144 goto error; 146 goto err_unpin;
145 147
146 obj->vmapping_count = 1; 148 obj->vmapping_count = 1;
147 i915_gem_object_pin_pages(obj);
148out_unlock: 149out_unlock:
149 mutex_unlock(&dev->struct_mutex); 150 mutex_unlock(&dev->struct_mutex);
150 return obj->dma_buf_vmapping; 151 return obj->dma_buf_vmapping;
151 152
152error: 153err_unpin:
154 i915_gem_object_unpin_pages(obj);
155err:
153 mutex_unlock(&dev->struct_mutex); 156 mutex_unlock(&dev->struct_mutex);
154 return ERR_PTR(ret); 157 return ERR_PTR(ret);
155} 158}