diff options
| author | Lynus Vaz <quic_lvaz@quicinc.com> | 2023-12-20 13:52:55 -0800 |
|---|---|---|
| committer | Raviteja Narayanam <quic_ravnar@quicinc.com> | 2024-03-12 12:04:33 +0530 |
| commit | 68986d764b2435b494b94ed7e8a6abea6f90f2c4 (patch) | |
| tree | 5b4b0854380b961b3642af0868d561e13192ef99 | |
| parent | b265eab03adfc6c0d1e078a80af29af69735d847 (diff) | |
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: Lynus Vaz <quic_lvaz@quicinc.com>
| -rw-r--r-- | drivers/gpu/msm/kgsl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index bc0a9fd27e5b..d68cafad86ee 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -277,6 +277,9 @@ 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) { dma_buf_unmap_attachment(meta->attach, meta->table, DMA_FROM_DEVICE); @@ -304,6 +307,9 @@ 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++) { |