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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-12-28 22:06:16 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2021-01-05 11:28:44 +0100 |
| commit | d321ad1286d2ac1f14fccadee822519a6ac9dd64 (patch) | |
| tree | 3022fd1a6c48ac496ce70946a43b00afe2f7aa78 /drivers/gpio/gpiolib.c | |
| parent | cb9744178f330dcd5ea73788eba00b65deb068bb (diff) | |
| download | linux-d321ad1286d2ac1f14fccadee822519a6ac9dd64.tar.gz linux-d321ad1286d2ac1f14fccadee822519a6ac9dd64.tar.bz2 linux-d321ad1286d2ac1f14fccadee822519a6ac9dd64.zip | |
gpiolib: Follow usual pattern for gpiod_remove_lookup_table() call
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>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index b02cc2abd3b6..611d6ea82d75 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3460,6 +3460,10 @@ EXPORT_SYMBOL_GPL(gpiod_add_lookup_table); */ void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) { + /* Nothing to remove */ + if (!table) + return; + mutex_lock(&gpio_lookup_lock); list_del(&table->list); |