gpio: uapi: Improve phrasing around arrays representing empty strings

Character arrays can be considered empty strings (if they are
immediately terminated), but they cannot be NULL.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This commit is contained in:
Jonathan Neuschäfer 2020-03-03 21:01:48 +01:00 committed by Bartosz Golaszewski
parent a28e1c0505
commit 32f5f62d79

View file

@ -18,7 +18,7 @@
* struct gpiochip_info - Information about a certain GPIO chip
* @name: the Linux kernel name of this GPIO chip
* @label: a functional name for this GPIO chip, such as a product
* number, may be NULL
* number, may be empty
* @lines: number of GPIO lines on this chip
*/
struct gpiochip_info {
@ -44,10 +44,10 @@ struct gpiochip_info {
* @flags: various flags for this line
* @name: the name of this GPIO line, such as the output pin of the line on the
* chip, a rail or a pin header name on a board, as specified by the gpio
* chip, may be NULL
* chip, may be empty
* @consumer: a functional name for the consumer of this GPIO line as set by
* whatever is using it, will be NULL if there is no current user but may
* also be NULL if the consumer doesn't set this up
* whatever is using it, will be empty if there is no current user but may
* also be empty if the consumer doesn't set this up
*/
struct gpioline_info {
__u32 line_offset;