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Commit fbe5f4c0 authored by Miaoqian Lin's avatar Miaoqian Lin Committed by Greg Kroah-Hartman
Browse files

dpaa2-ptp: Fix refcount leak in dpaa2_ptp_probe 



[ Upstream commit 2b04bd4f03bba021959ca339314f6739710f0954 ]

This node pointer is returned by of_find_compatible_node() with
refcount incremented. Calling of_node_put() to aovid the refcount leak.

Fixes: d346c9e8 ("dpaa2-ptp: reuse ptp_qoriq driver")
Signed-off-by: default avatarMiaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220404125336.13427-1-linmq006@gmail.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 8a509372

drivers/net/ethernet/freescale/dpaa2/dpaa2-ptp.c

+3 −1
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ static int dpaa2_ptp_probe(struct fsl_mc_device *mc_dev) 
	base = of_iomap(node, 0);

	if (!base) {

		err = -ENOMEM;

		goto err_close;

		goto err_put;

	}



	err = fsl_mc_allocate_irqs(mc_dev);
@@ -191,6 +191,8 @@ static int dpaa2_ptp_probe(struct fsl_mc_device *mc_dev) 
	fsl_mc_free_irqs(mc_dev);

err_unmap:

	iounmap(base);

err_put:

	of_node_put(node);

err_close:

	dprtc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);

err_free_mcp: