Hi Dan, On Thu, Jun 17, 2021 at 4:15 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > These functions accidentally return both error pointers and NULL when > there is an error. It doesn't cause a problem but it is confusing and > seems unintentional. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> i.e. will queue in renesas-clk-for-v5.15. > --- a/drivers/clk/renesas/renesas-rzg2l-cpg.c > +++ b/drivers/clk/renesas/renesas-rzg2l-cpg.c > @@ -124,7 +124,7 @@ rzg2l_cpg_div_clk_register(const struct cpg_core_clk *core, > core->flag, &priv->rmw_lock); > > if (IS_ERR(clk_hw)) > - return NULL; > + return ERR_CAST(clk_hw); > > return clk_hw->clk; > } > @@ -174,17 +174,14 @@ rzg2l_cpg_pll_clk_register(const struct cpg_core_clk *core, > struct clk_init_data init; > const char *parent_name; > struct pll_clk *pll_clk; > - struct clk *clk; > > parent = clks[core->parent & 0xffff]; > if (IS_ERR(parent)) > return ERR_CAST(parent); > > pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL); > - if (!pll_clk) { > - clk = ERR_PTR(-ENOMEM); > - return NULL; > - } > + if (!pll_clk) > + return ERR_PTR(-ENOMEM); This part I already have, by virtue of https://lore.kernel.org/r/1623896524-102058-1-git-send-email-yang.lee@xxxxxxxxxxxxxxxxx Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds