wpan-phy: use snprintf to limit the amount of chars written



Use snprintf to limit the amount of chars put in the buffer for attr -> show.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>

parent 37eb0edc

net/ieee802154/wpan-class.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -30,7 +30,7 @@ static ssize_t name ## _show(struct device *dev, \
		int ret; \
		\
		mutex_lock(&phy->pib_lock); \
		ret = sprintf(buf, format_string "\n", args); \
		ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \
		mutex_unlock(&phy->pib_lock); \
		return ret; \
		}