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>
This commit is contained in:
Dmitry Eremin-Solenikov 2009-09-28 18:58:32 +04:00
parent 37eb0edc84
commit 375bb0e04b

View file

@ -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; \
}