[PATCH 1/2] rapidio: Fix resources leak in error handling path in 'rio_dma_transfer()'

[Christophe JAILLET]

If 'dma_map_sg()', we should branch to the existing error handling path to
free some resources before returning.

Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
---
 drivers/rapidio/devices/rio_mport_cdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rapidio/devices/rio_mport_cdev.c 
b/drivers/rapidio/devices/rio_mport_cdev.c
index 5beb0c361076..76afe1449cab 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -963,7 +963,8 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
                           req->sgt.sgl, req->sgt.nents, dir);
        if (nents == -EFAULT) {
                rmcd_error("Failed to map SG list");
-               return -EFAULT;
+               ret = -EFAULT;
+               goto err_pg;
        }
 
        ret = do_dma_request(req, xfer, sync, nents);
-- 
2.11.0