Thread (8 messages) 8 messages, 3 authors, 2021-03-18

Re: [PATCH][next] soc: xilinx: vcu: remove deadcode on null divider check

From: Stephen Boyd <sboyd@kernel.org>
Date: 2021-02-11 03:29:17
Also in: kernel-janitors, linux-clk, lkml

Quoting Colin King (2021-02-10 10:49:38)
quoted hunk ↗ jump to hunk
From: Colin Ian King <redacted>

The pointer 'divider' has previously been null checked followed by
a return, hence the subsequent null check is redundant deadcode
that can be removed.  Clean up the code and remove it.

Fixes: 9c789deea206 ("soc: xilinx: vcu: implement clock provider for output clocks")
Signed-off-by: Colin Ian King <redacted>
---
 drivers/clk/xilinx/xlnx_vcu.c | 3 ---
 1 file changed, 3 deletions(-)
diff --git a/drivers/clk/xilinx/xlnx_vcu.c b/drivers/clk/xilinx/xlnx_vcu.c
index d66b1315114e..607936d7a413 100644
--- a/drivers/clk/xilinx/xlnx_vcu.c
+++ b/drivers/clk/xilinx/xlnx_vcu.c
@@ -512,9 +512,6 @@ static void xvcu_clk_hw_unregister_leaf(struct clk_hw *hw)
 
        mux = clk_hw_get_parent(divider);
        clk_hw_unregister_mux(mux);
-       if (!divider)
-               return;
-
This code is pretty confusing. Waiting for m.tretter@pengutronix.de to
reply
        clk_hw_unregister_divider(divider);
 }
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