Messages in this thread Patch in this message | | | From | Daniel Scally <> | Subject | [PATCH v4 5/8] clkdev: Make clkdev_drop() null aware | Date | Thu, 20 May 2021 15:09:25 +0100 |
| |
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
| |