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From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: "Baldysiak, Pawel" <pawel.baldysiak@intel.com>
Cc: "neilb@suse.de" <neilb@suse.de>,
	"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
	"gqjiang@suse.com" <gqjiang@suse.com>
Subject: Re: [PATCH 5/8] {platform,super}-intel: Fix two resource leaks
Date: Thu, 10 Mar 2016 11:37:26 -0500	[thread overview]
Message-ID: <wrfjr3fi1e7t.fsf@redhat.com> (raw)
In-Reply-To: <1457608450.28311.10.camel@intel.com> (Pawel Baldysiak's message of "Thu, 10 Mar 2016 11:14:10 +0000")

"Baldysiak, Pawel" <pawel.baldysiak@intel.com> writes:
> On Wed, 2016-03-09 at 11:23 -0500, Jes Sorensen wrote:
>> NeilBrown <neilb@suse.de> 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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  reply	other threads:[~2016-03-10 16:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-08 17:30 [PATCH 0/8] mdadm static checker fixes Jes.Sorensen
2016-03-08 17:30 ` [PATCH 1/8] Manage: Manage_add(): Fix memory leak Jes.Sorensen
2016-03-08 17:30 ` [PATCH 2/8] load_sys(): Add a buffer size argument Jes.Sorensen
2016-03-08 17:30 ` [PATCH 3/8] Grow: Grow_continue_command() remove dead code Jes.Sorensen
2016-03-08 22:42   ` NeilBrown
2016-03-09 16:19     ` Jes Sorensen
2016-03-08 17:30 ` [PATCH 4/8] Grow: Grow_addbitmap(): Add check to quiet down static code checkers Jes.Sorensen
2016-03-09 17:42   ` Guoqing Jiang
2016-03-09 14:00     ` Jes Sorensen
2016-03-10  7:21       ` NeilBrown
2016-03-10 16:40         ` Jes Sorensen
2016-03-08 17:30 ` [PATCH 5/8] {platform,super}-intel: Fix two resource leaks Jes.Sorensen
2016-03-08 22:45   ` NeilBrown
2016-03-09 16:23     ` Jes Sorensen
2016-03-10 11:14       ` Baldysiak, Pawel
2016-03-10 16:37         ` Jes Sorensen [this message]
2016-03-08 17:30 ` [PATCH 6/8] bitmap: Fix resource leak in bitmap_file_open() Jes.Sorensen
2016-03-08 22:50   ` NeilBrown
2016-03-09 16:28     ` Jes Sorensen
2016-03-08 17:30 ` [PATCH 7/8] Manage: Manage_subdevs() fix file descriptor leak Jes.Sorensen
2016-03-08 17:30 ` [PATCH 8/8] super1: Fix potential buffer overflows when copying cluster_name Jes.Sorensen
2016-03-08 22:55 ` [PATCH 0/8] mdadm static checker fixes NeilBrown
2016-03-09 16:30   ` Jes Sorensen

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