In some error handling path, we should call "of_node_put(np_par)" or some resource may be leaking in case of error. Fixes: 8159df72d43e ("83xx: add support for the kmeter1 board.") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- arch/powerpc/platforms/83xx/km83xx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c index 306be75faec7..bcdc2c203ec9 100644 --- a/arch/powerpc/platforms/83xx/km83xx.c +++ b/arch/powerpc/platforms/83xx/km83xx.c @@ -60,10 +60,12 @@ static void quirk_mpc8360e_qe_enet10(void) ret = of_address_to_resource(np_par, 0, &res); if (ret) { pr_warn("%s couldn't map par_io registers\n", __func__); - return; + goto out; } base = ioremap(res.start, resource_size(&res)); + if (!base) + goto out; /* * set output delay adjustments to default values according @@ -111,6 +113,7 @@ static void quirk_mpc8360e_qe_enet10(void) setbits32((base + 0xac), 0x0000c000); } iounmap(base); +out: of_node_put(np_par); } -- 2.20.1