From e3ab9b715e58d799bacb2f8ce0f47d477a47094c Mon Sep 17 00:00:00 2001 From: Dmitry Tarnyagin Date: Wed, 19 Dec 2012 12:40:15 +0100 Subject: [PATCH] remoteproc: Bugfix: Deallocate firmware image on shutdown Fixes coherent memory leakage, caused by non-deallocated firmware image chunk. Signed-off-by: Dmitry Tarnyagin --- drivers/remoteproc/ste_modem_rproc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/ste_modem_rproc.c b/drivers/remoteproc/ste_modem_rproc.c index a7743c069339..fb95c4220052 100644 --- a/drivers/remoteproc/ste_modem_rproc.c +++ b/drivers/remoteproc/ste_modem_rproc.c @@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platform_device *pdev) /* Unregister as remoteproc device */ rproc_del(sproc->rproc); + dma_free_coherent(sproc->rproc->dev.parent, SPROC_FW_SIZE, + sproc->fw_addr, sproc->fw_dma_addr); rproc_put(sproc->rproc); mdev->drv_data = NULL; @@ -297,10 +299,13 @@ static int sproc_probe(struct platform_device *pdev) /* Register as a remoteproc device */ err = rproc_add(rproc); if (err) - goto free_rproc; + goto free_mem; return 0; +free_mem: + dma_free_coherent(rproc->dev.parent, SPROC_FW_SIZE, + sproc->fw_addr, sproc->fw_dma_addr); free_rproc: /* Reset device data upon error */ mdev->drv_data = NULL; -- 2.39.5