ion: convert map_kernel to return ERR_PTR
ion is going to stop accepting NULL as an error value, use ERR_PTR. Signed-off-by: Colin Cross <ccross@android.com> [jstultz: modified patch to apply to staging directory] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -112,13 +112,18 @@ void ion_carveout_heap_unmap_dma(struct ion_heap *heap,
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void *ion_carveout_heap_map_kernel(struct ion_heap *heap,
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struct ion_buffer *buffer)
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{
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void *ret;
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int mtype = MT_MEMORY_NONCACHED;
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if (buffer->flags & ION_FLAG_CACHED)
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mtype = MT_MEMORY;
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return __arm_ioremap(buffer->priv_phys, buffer->size,
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ret = __arm_ioremap(buffer->priv_phys, buffer->size,
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mtype);
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if (ret == NULL)
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return ERR_PTR(-ENOMEM);
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return ret;
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}
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void ion_carveout_heap_unmap_kernel(struct ion_heap *heap,
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@ -56,6 +56,9 @@ void *ion_heap_map_kernel(struct ion_heap *heap,
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vaddr = vmap(pages, npages, VM_MAP, pgprot);
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vfree(pages);
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if (vaddr == NULL)
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return ERR_PTR(-ENOMEM);
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return vaddr;
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}
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