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/tools/perf/arch/powerpc/include/arch-tests.h

#ifndef ARCH_TESTS_H
#define ARCH_TESTS_H

#ifdef HAVE_DWARF_UNWIND_SUPPORT
struct thread;
struct perf_sample;
int test__arch_unwind_sample(struct perf_sample *sample,
			     struct thread *thread);
#endif

extern struct test arch_tests[];

#endif