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clk/ti: Use kmemdup rather than duplicating its implementation

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kmemdup is introduced to duplicate a region of memory in a neat way.
Rather than kmalloc/kzalloc + memcpy, which the programmer needs to
write the size twice (sometimes lead to mistakes), kmemdup improves
readability, leads to smaller code and also reduce the chances of mistakes.
Suggestion to use kmemdup rather than using kmalloc/kzalloc + memcpy.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Link: https://lkml.kernel.org/r/20190703162700.32091-1-huangfq.daxian@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Fuqian Huang 2019-07-04 00:27:00 +08:00 committed by Stephen Boyd
parent f9d67cd7bc
commit 81b94f1477
1 changed files with 1 additions and 3 deletions
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4
drivers/clk/ti/dpll.c
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@ -291,14 +291,12 @@ static void __init of_ti_dpll_setup(struct device_node *node,
struct dpll_data *dd = NULL;
u8 dpll_mode = 0;
dd = kzalloc(sizeof(*dd), GFP_KERNEL);
dd = kmemdup(ddt, sizeof(*dd), GFP_KERNEL);
clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
init = kzalloc(sizeof(*init), GFP_KERNEL);
if (!dd || !clk_hw || !init)
goto cleanup;
memcpy(dd, ddt, sizeof(*dd));
clk_hw->dpll_data = dd;
clk_hw->ops = &clkhwops_omap3_dpll;
clk_hw->hw.init = init;