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Commit e7c4bb23 authored by Lynus Vaz's avatar Lynus Vaz Committed by Deepak Kumar
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msm: kgsl: Do not release dma and anon buffers if unmap fails 



If iommu unmap fails and leaves dma or anon buffers still mapped in the
iommu, do not free them.

Change-Id: Ice0e1a59c1ac0ee7a9d62d8899966b84fa63d5ca
Signed-off-by: default avatarLynus Vaz <quic_lvaz@quicinc.com>
Signed-off-by: default avatarDeepak Kumar <quic_dkumar@quicinc.com>
parent fc5843f9

drivers/gpu/msm/kgsl.c

+6 −0
Original line number Diff line number Diff line
@@ -344,6 +344,9 @@ static void kgsl_destroy_ion(struct kgsl_memdesc *memdesc) 
		struct kgsl_mem_entry, memdesc);

	struct kgsl_dma_buf_meta *meta = entry->priv_data;



	if (memdesc->priv & KGSL_MEMDESC_MAPPED)

		return;



	if (meta != NULL) {

		remove_dmabuf_list(meta);

		dma_buf_unmap_attachment(meta->attach, meta->table,
@@ -367,6 +370,9 @@ static void kgsl_destroy_anon(struct kgsl_memdesc *memdesc) 
	struct scatterlist *sg;

	struct page *page;



	if (memdesc->priv & KGSL_MEMDESC_MAPPED)

		return;



	for_each_sg(memdesc->sgt->sgl, sg, memdesc->sgt->nents, i) {

		page = sg_page(sg);

		for (j = 0; j < (sg->length >> PAGE_SHIFT); j++) {