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Commit 021b9bfe authored by George Shen's avatar George Shen
Browse files

msm: cvp: Avoids DSP memory leak 



Call dma_buf put function to decrement dma_buf use count after
the buffer is un-mapped from CVP address space.

Change-Id: I3007ff8fc55796ae21ee3995ff3456a6e207f804
Signed-off-by: default avatarGeorge Shen <sqiao@codeaurora.org>
parent 98c66447

drivers/media/platform/msm/cvp/msm_cvp_buf.c

+6 −2
Original line number Diff line number Diff line
@@ -163,8 +163,10 @@ int msm_cvp_map_buf_dsp(struct msm_cvp_inst *inst, struct cvp_kmd_buffer *buf) 
	return rc;



exit:

	if (smem->device_addr)

	if (smem->device_addr) {

		msm_cvp_unmap_smem(inst, smem, "unmap dsp");

		msm_cvp_smem_put_dma_buf(smem->dma_buf);

	}

	kmem_cache_free(cvp_driver->buf_cache, cbuf);

	cbuf = NULL;

	kmem_cache_free(cvp_driver->smem_cache, smem);
@@ -216,8 +218,10 @@ int msm_cvp_unmap_buf_dsp(struct msm_cvp_inst *inst, struct cvp_kmd_buffer *buf) 
		}

	}



	if (cbuf->smem->device_addr)

	if (cbuf->smem->device_addr) {

		msm_cvp_unmap_smem(inst, cbuf->smem, "unmap dsp");

		msm_cvp_smem_put_dma_buf(cbuf->smem->dma_buf);

	}



	mutex_lock(&inst->cvpdspbufs.lock);

	list_del(&cbuf->list);