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gpiolib: Follow usual pattern for gpiod_remove_lookup_table() call

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The usual pattern for the remove calls, like gpiod_remove_lookup_table(),
is to be NULL-aware, i.o.w. become a no-op whenever parameter is NULL.
Update gpiod_remove_lookup_table() call to follow this pattern.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Andy Shevchenko 2020-12-28 22:06:16 +02:00 committed by Wolfram Sang
parent cb9744178f
commit d321ad1286
1 changed files with 4 additions and 0 deletions
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4
drivers/gpio/gpiolib.c
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@ -3460,6 +3460,10 @@ EXPORT_SYMBOL_GPL(gpiod_add_lookup_table);
*/ */
void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) void gpiod_remove_lookup_table(struct gpiod_lookup_table *table)
{ {
/* Nothing to remove */
if (!table)
return;
mutex_lock(&gpio_lookup_lock); mutex_lock(&gpio_lookup_lock);
list_del(&table->list); list_del(&table->list);