[PATCH v4 5/8] clkdev: Make clkdev_drop() null aware
flat view
STALE1962d
From: Daniel Scally <djrscally@gmail.com>
Date: 2021-05-20 14:12:22
Also in:
linux-acpi, linux-gpio, linux-i2c, lkml, platform-driver-x86
Subsystem:
arm/clkdev support, the rest · Maintainers:
Russell King, Linus Torvalds
Revision v4 of 3 in this series.
Revisions (3)
- v3 [diff vs current]
- v4 current
- v5 [diff vs current]
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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