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/iosched.h

#ifndef IOSCHED_H
#define IOSCHED_H

extern void ioprio_print(void);
extern void set_ioprio_rt(void);
extern void set_ioprio_be(void);

#endif /* IOSCHED_H */