soc: renesas: rcar-sysc: Fix uninitialized error code in rcar_sysc_pd_init()

On success, rcar_sysc_pd_init() returns an uninitialized error code.
Use the return value of of_genpd_add_provider_onecell() to fix this.

This went unnoticed, as early_initcall() doesn't care about the return
value.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index a43ca24..59a8152 100644 (file)
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -398,7 +398,7 @@ static int __init rcar_sysc_pd_init(void)
                domains->domains[area->isr_bit] = &pd->genpd;
        }
 
-       of_genpd_add_provider_onecell(np, &domains->onecell_data);
+       error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
 
 out_put:
        of_node_put(np);