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/oui.h

#ifndef OUI_H
#define OUI_H

extern const char *lookup_vendor(unsigned int id);
extern void dissector_init_oui(void);
extern void dissector_cleanup_oui(void);

static inline const char *lookup_vendor_str(unsigned int id)
{
	return lookup_vendor(id) ? : "Unknown";
}

#endif /* OUI_H */