[PATCH V1] um: Fix compilation warnings

Srinivasarao Pathipati quic_c_spathi at quicinc.com
Tue Feb 14 21:35:53 PST 2023


On 2/15/2023 3:27 AM, Richard Weinberger wrote:
> ----- 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 for quick response. Could you please suggest alternative 
function of malloc() with async-signal safe.

if that is not possible Is there any other way to fix this warning? OR 
do we need to live with that warning?

>
> Thanks,
> //richard



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