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Date: Mon, 15 Feb 2016 11:33:41 +0800 From: Shawn Lin <shawn.lin@...k-chips.com> To: Heiko Stuebner <heiko@...ech.de>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...eaurora.org> Cc: linux-clk@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, Shawn Lin <shawn.lin@...k-chips.com> Subject: [PATCH 4/6] clk: rockchip: don't return NULL when registering mmc branch fails Avoid return NULL if rockchip_clk_register_mmc fails, otherwise rockchip_clk_register_branches print "unknown clock type". The acutal case is that it's a known clock type but we fail to regiser it, which may makes user confuse the reason of failure. Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com> --- drivers/clk/rockchip/clk-mmc-phase.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index 2685644..e0dc7e8 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -150,7 +150,7 @@ struct clk *rockchip_clk_register_mmc(const char *name, mmc_clock = kmalloc(sizeof(*mmc_clock), GFP_KERNEL); if (!mmc_clock) - return NULL; + return ERR_PTR(-ENOMEM); init.name = name; init.num_parents = num_parents; @@ -172,11 +172,7 @@ struct clk *rockchip_clk_register_mmc(const char *name, clk = clk_register(NULL, &mmc_clock->hw); if (IS_ERR(clk)) - goto err_free; + kfree(mmc_clock); return clk; - -err_free: - kfree(mmc_clock); - return NULL; } -- 2.3.7
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