# Re: \[PATCH 5/8\] {platform,super}-intel: Fix two resource leaks

- From: Jes Sorensen \<hidden\>
- Date: 2016-03-10 16:37:26 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2016/03/6631753
- Thread: https://ratatoskr.run/linux-raid/2016/03/6631753/t.md

```text
"Baldysiak, Pawel" [ref] writes:
> On Wed, 2016-03-09 at 11:23 -0500, Jes Sorensen wrote:
>> NeilBrown [ref] writes:
>> > 
>> > On Wed, Mar 09 2016, Jes.Sorensen@redhat.com wrote:
>> > Returning '1' looks really weird here.  I can see it is consistent with
>> > 	if (hba->type != SYS_DEV_VMD)
>> > 		return 1;
>> > 
>> > above, but still....
>> > As the return value is never used, should we just make it 'void' ??
>> Seems reasonable - I'll put that in a separate patch.
>> 
>> Cheers,
>> Jes
> Hello,
> Thanks for the fix Jes.
>
> I thinks that instead of making it "void" we can actually check the
> return value and print a proper message if something goes wrong.
> Also "simplified for() loop" can be applied to ahci_enumerate_ports() as well.
>
> @@ -1624,7 +1624,10 @@ static int ahci_enumerate_ports(const char
> *hba_path, int port_count, int host_b
>  	 * this hba
>  	 */
>  	dir = opendir("/sys/dev/block");
> -	for (ent = dir ? readdir(dir) : NULL; ent; ent = readdir(dir)) {
> +	if (!dir)
> +		return 1;
> +
> +	for (ent = readdir(dir); ent; ent = readdir(dir)) {
>  		int fd;
>  		char model[64];
>  		char vendor[64];
> @@ -2021,7 +2024,11 @@ static int detail_platform_imsm(int verbose,
> int enumerate_only, char *controlle
>  					print_imsm_capability(&entry->orom);
>  					printf(" I/O Controller : %s (%s)\n",
>   vmd_domain_to_controller(hba, buf), get_sys_dev_type(hba->type));
> -					print_vmd_attached_devs(hba);
> +					if (print_vmd_attached_devs(hba)) {
> +						if (verbose > 0)
> + pr_err("failed to get devices attached to VMD domain.\n");
> +						result |= 2;
> +					}
>  					printf("\n");
>  				}
>  			}
>
> Is that ok with you? Should I prepare a proper patch with this?

Hi Pawel,

I already pushed this into git, but if you want to send me a patch (or
two) for this, I am happy to apply them. Lets make the
ahci_enumerate_ports() change in a separate patch.

Cheers,
Jes
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