Patch "drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
drivers-rapidio-devices-rio_mport_cdev.c-fix-resource-leak-in-error-handling-path-in-rio_dma_transfer.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Christophe JAILLET <[email protected]>
Date: Fri, 17 Nov 2017 15:37:57 -0800
Subject: drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'

From: Christophe JAILLET <[email protected]>

[ Upstream commit b1402dcb5643b7a27d46a05edd7491d49ba0e248 ]

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

---
 drivers/rapidio/devices/rio_mport_cdev.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -964,7 +964,8 @@ rio_dma_transfer(struct file *filp, u32
 			   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);

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/bus-arm-ccn-check-memory-allocation-failure.patch queue-4.9/usb-gadgetfs-fix-a-potential-memory-leak-in-dev_config.patch queue-4.9/drivers-rapidio-devices-rio_mport_cdev.c-fix-resource-leak-in-error-handling-path-in-rio_dma_transfer.patch