We get 1 warning when building kernel with W=1: drivers/char/random.c:2140:6: warning: no previous prototype for 'add_hwgenerator_randomness' [-Wmissing-prototypes]
In fact, this function is declared in include/linux/hw_random.h, so this patch adds missing header dependencies. Signed-off-by: Baoyou Xie <baoyou....@linaro.org> --- drivers/char/random.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/random.c b/drivers/char/random.c index d6876d5..aa0950a 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -262,6 +262,7 @@ #include <linux/syscalls.h> #include <linux/completion.h> #include <linux/uuid.h> +#include <linux/hw_random.h> #include <crypto/chacha20.h> #include <asm/processor.h> -- 2.7.4