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    Subject[PATCH v4 5/8] clkdev: Make clkdev_drop() null aware
    Date
    To simplify error handling paths, many functions are no-ops when passed
    NULL pointers, for example gpiod_remove_lookup_table(). Mirror that
    behaviour for clkdev_drop().

    Signed-off-by: Daniel Scally <djrscally@gmail.com>
    ---
    Changes since v3:
    - Patch introduced

    drivers/clk/clkdev.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
    index 0f2e3fcf0f19..c082720f8ade 100644
    --- a/drivers/clk/clkdev.c
    +++ b/drivers/clk/clkdev.c
    @@ -286,6 +286,9 @@ EXPORT_SYMBOL(clk_add_alias);
    */
    void clkdev_drop(struct clk_lookup *cl)
    {
    + if (!cl)
    + return;
    +
    mutex_lock(&clocks_mutex);
    list_del(&cl->node);
    mutex_unlock(&clocks_mutex);
    --
    2.25.1
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