[ 38/64] remoteproc/ste: fix memory leak on shutdown
From: Greg Kroah-Hartman
Date: Wed Apr 10 2013 - 19:10:54 EST
3.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dmitry Tarnyagin <dmitry.tarnyagin@xxxxxxxxxxxxxx>
commit 1cd425b660bd5b4f41b9175b0b7bf3828ce88144 upstream.
Fixes coherent memory leakage, caused by non-deallocated
firmware image chunk.
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@xxxxxxxxxxxxxx>
Signed-off-by: Sjur BrÃndeland <sjur.brandeland@xxxxxxxxxxxxxx>
Acked-by: Ido Yariv <ido@xxxxxxxxxx>
[slightly edit subject and commit log]
Signed-off-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/remoteproc/ste_modem_rproc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/remoteproc/ste_modem_rproc.c
+++ b/drivers/remoteproc/ste_modem_rproc.c
@@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platf
/* 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_d
/* 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;
--
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