diff options
| author | Andy Shevchenko <[email protected]> | 2020-12-28 20:06:16 +0000 |
|---|---|---|
| committer | Wolfram Sang <[email protected]> | 2021-01-05 10:28:44 +0000 |
| commit | d321ad1286d2ac1f14fccadee822519a6ac9dd64 (patch) | |
| tree | 3022fd1a6c48ac496ce70946a43b00afe2f7aa78 /drivers/gpio/gpiolib.c | |
| parent | i2c: mlxcpld: Decrease polling time for performance improvement (diff) | |
| download | kernel-d321ad1286d2ac1f14fccadee822519a6ac9dd64.tar.gz kernel-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 <[email protected]>
Acked-by: Bartosz Golaszewski <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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); |