rt2x00: fix clk_get call

clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

path: root/timer.h

#ifndef TIMER_H
#define TIMER_H

#include <sys/time.h>

extern void set_itimer_interval_value(struct itimerval *itimer, unsigned long sec,
				      unsigned long usec);

extern int get_user_hz(void);

#endif /* TIMER_H */