[PATCH V1] um: Fix compilation warnings

[Richard Weinberger]

----- Ursprüngliche Mail -----
> Von: "Srinivasarao Pathipati" <quic_c_spathi at quicinc.com>
> static void sig_handler_common(int sig, struct siginfo *si, mcontext_t *mc)
> {
> -	struct uml_pt_regs r;
> +	struct uml_pt_regs *r;
> 	int save_errno = errno;
> 
> -	r.is_user = 0;
> +	r = malloc(sizeof(struct uml_pt_regs));

I fear this is not correct since malloc() is not async-signal safe.

Thanks,
//richard