3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Tarnyagin <[email protected]>

commit 1cd425b660bd5b4f41b9175b0b7bf3828ce88144 upstream.

Fixes coherent memory leakage, caused by non-deallocated
firmware image chunk.

Signed-off-by: Dmitry Tarnyagin <[email protected]>
Signed-off-by: Sjur Brændeland <[email protected]>
Acked-by: Ido Yariv <[email protected]>
[slightly edit subject and commit log]
Signed-off-by: Ohad Ben-Cohen <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 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;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to