From: Sricharan R <r.sricharan@ti.com>
To: Jason Cooper <jason@lakedaemon.net>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
tony@atomide.com, santosh.shilimkar@ti.com, nm@ti.com,
rnayak@ti.com, linux@arm.linux.org.uk, tglx@linutronix.de
Subject: Re: [PATCH V2 11/19] irqchip: crossbar: fix memory leak incase of invalid entry
Date: Thu, 12 Jun 2014 19:07:34 +0530 [thread overview]
Message-ID: <5399AD1E.9010801@ti.com> (raw)
In-Reply-To: <20140612132023.GX8664@titan.lakedaemon.net>
Hi Jason,
On Thursday 12 June 2014 06:50 PM, Jason Cooper wrote:
> On Thu, Jun 12, 2014 at 05:23:19PM +0530, Sricharan R wrote:
>> From: Nishanth Menon <nm@ti.com>
>>
>> When the provided unused skip list entry is greater than max irqs
>> possible, we go to err3, but we fail to free register_offsets,
>> should have returned to err4 instead which ensures that allocated
>
> s/returned/jumped/
ok, will correct.
>
>> register_offsets are freed as well.
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
>> ---
>> drivers/irqchip/irq-crossbar.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
>> index 42a2e62..fea3e5d 100644
>> --- a/drivers/irqchip/irq-crossbar.c
>> +++ b/drivers/irqchip/irq-crossbar.c
>> @@ -225,7 +225,7 @@ static int __init crossbar_of_init(struct device_node *node,
>>
>> if (entry > max) {
>> pr_err("Invalid skip entry\n");
>> - goto err3;
>> + goto err4;
>
> This would be a good opportunity to reduce the possibility of future
> errors. Please consider renaming err{1,2,3,4} to something more
> recognizable while you are here.
>
Ok, this is done as a part of patch#13.
Regards,
Sricharan
WARNING: multiple messages have this Message-ID (diff)
From: r.sricharan@ti.com (Sricharan R)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 11/19] irqchip: crossbar: fix memory leak incase of invalid entry
Date: Thu, 12 Jun 2014 19:07:34 +0530 [thread overview]
Message-ID: <5399AD1E.9010801@ti.com> (raw)
In-Reply-To: <20140612132023.GX8664@titan.lakedaemon.net>
Hi Jason,
On Thursday 12 June 2014 06:50 PM, Jason Cooper wrote:
> On Thu, Jun 12, 2014 at 05:23:19PM +0530, Sricharan R wrote:
>> From: Nishanth Menon <nm@ti.com>
>>
>> When the provided unused skip list entry is greater than max irqs
>> possible, we go to err3, but we fail to free register_offsets,
>> should have returned to err4 instead which ensures that allocated
>
> s/returned/jumped/
ok, will correct.
>
>> register_offsets are freed as well.
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
>> ---
>> drivers/irqchip/irq-crossbar.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
>> index 42a2e62..fea3e5d 100644
>> --- a/drivers/irqchip/irq-crossbar.c
>> +++ b/drivers/irqchip/irq-crossbar.c
>> @@ -225,7 +225,7 @@ static int __init crossbar_of_init(struct device_node *node,
>>
>> if (entry > max) {
>> pr_err("Invalid skip entry\n");
>> - goto err3;
>> + goto err4;
>
> This would be a good opportunity to reduce the possibility of future
> errors. Please consider renaming err{1,2,3,4} to something more
> recognizable while you are here.
>
Ok, this is done as a part of patch#13.
Regards,
Sricharan
WARNING: multiple messages have this Message-ID (diff)
From: Sricharan R <r.sricharan@ti.com>
To: Jason Cooper <jason@lakedaemon.net>
Cc: <linux-omap@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<tony@atomide.com>, <santosh.shilimkar@ti.com>, <nm@ti.com>,
<rnayak@ti.com>, <linux@arm.linux.org.uk>, <tglx@linutronix.de>
Subject: Re: [PATCH V2 11/19] irqchip: crossbar: fix memory leak incase of invalid entry
Date: Thu, 12 Jun 2014 19:07:34 +0530 [thread overview]
Message-ID: <5399AD1E.9010801@ti.com> (raw)
In-Reply-To: <20140612132023.GX8664@titan.lakedaemon.net>
Hi Jason,
On Thursday 12 June 2014 06:50 PM, Jason Cooper wrote:
> On Thu, Jun 12, 2014 at 05:23:19PM +0530, Sricharan R wrote:
>> From: Nishanth Menon <nm@ti.com>
>>
>> When the provided unused skip list entry is greater than max irqs
>> possible, we go to err3, but we fail to free register_offsets,
>> should have returned to err4 instead which ensures that allocated
>
> s/returned/jumped/
ok, will correct.
>
>> register_offsets are freed as well.
>>
>> Signed-off-by: Nishanth Menon <nm@ti.com>
>> ---
>> drivers/irqchip/irq-crossbar.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
>> index 42a2e62..fea3e5d 100644
>> --- a/drivers/irqchip/irq-crossbar.c
>> +++ b/drivers/irqchip/irq-crossbar.c
>> @@ -225,7 +225,7 @@ static int __init crossbar_of_init(struct device_node *node,
>>
>> if (entry > max) {
>> pr_err("Invalid skip entry\n");
>> - goto err3;
>> + goto err4;
>
> This would be a good opportunity to reduce the possibility of future
> errors. Please consider renaming err{1,2,3,4} to something more
> recognizable while you are here.
>
Ok, this is done as a part of patch#13.
Regards,
Sricharan
next prev parent reply other threads:[~2014-06-12 13:37 UTC|newest]
Thread overview: 175+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-12 11:53 [PATCH V2 00/19] irqchip: crossbar: driver fixes Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 01/19] irqchip: crossbar: dont use '0' to mark reserved interrupts Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 02/19] irqchip: crossbar: check for premapped crossbar before allocating Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 03/19] irqchip: crossbar: Skip some irqs from getting mapped to crossbar Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 12:51 ` Jason Cooper
2014-06-12 12:51 ` Jason Cooper
[not found] ` <20140612125134.GS8664-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-06-12 13:19 ` Sricharan R
2014-06-12 13:19 ` Sricharan R
2014-06-12 13:19 ` Sricharan R
[not found] ` <5399A8D5.6070105-l0cyMroinI0@public.gmane.org>
2014-06-12 14:07 ` Jason Cooper
2014-06-12 14:07 ` Jason Cooper
2014-06-12 14:07 ` Jason Cooper
[not found] ` <20140612140729.GD8664-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-06-13 6:37 ` Sricharan R
2014-06-13 6:37 ` Sricharan R
2014-06-13 6:37 ` Sricharan R
2014-06-13 13:34 ` Jason Cooper
2014-06-13 13:34 ` Jason Cooper
2014-06-12 13:57 ` Tony Lindgren
2014-06-12 13:57 ` Tony Lindgren
2014-06-12 14:05 ` Jason Cooper
2014-06-12 14:05 ` Jason Cooper
2014-06-13 6:56 ` Sricharan R
2014-06-13 6:56 ` Sricharan R
2014-06-13 6:56 ` Sricharan R
[not found] ` <539AA08A.7010001-l0cyMroinI0@public.gmane.org>
2014-06-13 11:04 ` Sricharan R
2014-06-13 11:04 ` Sricharan R
2014-06-13 11:04 ` Sricharan R
2014-06-13 13:10 ` Jason Cooper
2014-06-13 13:10 ` Jason Cooper
[not found] ` <20140613131005.GF8664-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-06-13 13:35 ` Santosh Shilimkar
2014-06-13 13:35 ` Santosh Shilimkar
2014-06-13 13:35 ` Santosh Shilimkar
2014-06-13 13:41 ` Jason Cooper
2014-06-13 13:41 ` Jason Cooper
2014-06-13 6:31 ` Sricharan R
2014-06-13 6:31 ` Sricharan R
2014-06-13 6:31 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 04/19] irqchip: crossbar: Initialise the crossbar with a safe value Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 05/19] irqchip: crossbar: Change allocation logic by reversing search for free irqs Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-6-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 12:56 ` Jason Cooper
2014-06-12 12:56 ` Jason Cooper
2014-06-12 12:56 ` Jason Cooper
2014-06-13 6:09 ` Sricharan R
2014-06-13 6:09 ` Sricharan R
2014-06-13 6:09 ` Sricharan R
[not found] ` <539A95A3.1010301-l0cyMroinI0@public.gmane.org>
2014-06-13 13:13 ` Jason Cooper
2014-06-13 13:13 ` Jason Cooper
2014-06-13 13:13 ` Jason Cooper
2014-06-12 11:53 ` [PATCH V2 06/19] irqchip: crossbar: remove IS_ERR_VALUE check Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 07/19] irqchip: crossbar: fix sparse warnings Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 08/19] irqchip: crossbar: fix checkpatch warning Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-9-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:10 ` Jason Cooper
2014-06-12 13:10 ` Jason Cooper
2014-06-12 13:10 ` Jason Cooper
[not found] ` <20140612131042.GU8664-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-06-12 13:35 ` Sricharan R
2014-06-12 13:35 ` Sricharan R
2014-06-12 13:35 ` Sricharan R
[not found] ` <5399AC9C.4080602-l0cyMroinI0@public.gmane.org>
2014-06-12 14:18 ` Joe Perches
2014-06-12 14:18 ` Joe Perches
2014-06-12 14:18 ` Joe Perches
2014-06-12 15:32 ` Jason Cooper
2014-06-12 15:32 ` Jason Cooper
[not found] ` <20140612153226.GE8664-u4khhh1J0LxI1Ri9qeTfzeTW4wlIGRCZ@public.gmane.org>
2014-06-12 16:05 ` Joe Perches
2014-06-12 16:05 ` Joe Perches
2014-06-12 16:05 ` Joe Perches
2014-06-13 6:30 ` Sricharan R
2014-06-13 6:30 ` Sricharan R
2014-06-13 6:30 ` Sricharan R
[not found] ` <539A9A87.6020004-l0cyMroinI0@public.gmane.org>
2014-06-13 13:15 ` Jason Cooper
2014-06-13 13:15 ` Jason Cooper
2014-06-13 13:15 ` Jason Cooper
2014-06-12 11:53 ` [PATCH V2 09/19] irqchip: crossbar: fix kerneldoc warning Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-10-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:14 ` Jason Cooper
2014-06-12 13:14 ` Jason Cooper
2014-06-12 13:14 ` Jason Cooper
2014-06-12 13:39 ` Sricharan R
2014-06-12 13:39 ` Sricharan R
2014-06-12 13:39 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 10/19] irqchip: crossbar: DRA7: Fix unused crossbar list Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-11-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:16 ` Jason Cooper
2014-06-12 13:16 ` Jason Cooper
2014-06-12 13:16 ` Jason Cooper
2014-06-12 13:21 ` Sricharan R
2014-06-12 13:21 ` Sricharan R
2014-06-12 13:21 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 11/19] irqchip: crossbar: fix memory leak incase of invalid entry Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-12-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:20 ` Jason Cooper
2014-06-12 13:20 ` Jason Cooper
2014-06-12 13:20 ` Jason Cooper
2014-06-12 13:37 ` Sricharan R [this message]
2014-06-12 13:37 ` Sricharan R
2014-06-12 13:37 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 12/19] irqchip: crossbar: return proper error value Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 13:39 ` Jason Cooper
2014-06-12 13:39 ` Jason Cooper
2014-06-12 11:53 ` [PATCH V2 13/19] irqchip: crossbar: change the goto naming Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-14-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:41 ` Jason Cooper
2014-06-12 13:41 ` Jason Cooper
2014-06-12 13:41 ` Jason Cooper
2014-06-12 11:53 ` [PATCH V2 14/19] irqchip: crossbar: set cb pointer to null in case of error Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 15/19] irqchip: crossbar: Add kerneldoc for crossbar_domain_unmap callback Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 13:49 ` Jason Cooper
2014-06-12 13:49 ` Jason Cooper
2014-06-12 13:50 ` Sricharan R
2014-06-12 13:50 ` Sricharan R
2014-06-12 13:50 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 16/19] irqchip: crossbar: introduce ti,max-crossbar-sources to identify valid crossbar mapping Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 16/19] irqchip: crossbar: introduce ti, max-crossbar-sources " Sricharan R
[not found] ` <1402574007-13987-17-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-12 13:54 ` [PATCH V2 16/19] irqchip: crossbar: introduce ti,max-crossbar-sources " Jason Cooper
2014-06-12 13:54 ` Jason Cooper
2014-06-12 13:54 ` Jason Cooper
2014-06-13 10:54 ` Sricharan R
2014-06-13 10:54 ` Sricharan R
2014-06-13 10:54 ` [PATCH V2 16/19] irqchip: crossbar: introduce ti, max-crossbar-sources " Sricharan R
2014-06-13 13:17 ` [PATCH V2 16/19] irqchip: crossbar: introduce ti,max-crossbar-sources " Jason Cooper
2014-06-13 13:17 ` Jason Cooper
2014-06-12 11:53 ` [PATCH V2 17/19] irqchip: crossbar: introduce centralized check for crossbar write Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 18/19] Documentation: dt: OMAP: crossbar: add description for interrupt consumer Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` [PATCH V2 19/19] irqchip: crossbar allow for quirky hardware with direct hardwiring of GIC Sricharan R
2014-06-12 11:53 ` Sricharan R
2014-06-12 11:53 ` Sricharan R
[not found] ` <1402574007-13987-1-git-send-email-r.sricharan-l0cyMroinI0@public.gmane.org>
2014-06-13 15:01 ` [PATCH V2 00/19] irqchip: crossbar: driver fixes Jason Cooper
2014-06-13 15:01 ` Jason Cooper
2014-06-13 15:01 ` Jason Cooper
2014-06-13 16:14 ` Joe Perches
2014-06-13 16:14 ` Joe Perches
2014-06-13 16:37 ` Jason Cooper
2014-06-13 16:37 ` Jason Cooper
2014-06-13 16:37 ` Jason Cooper
2014-06-13 16:48 ` Joe Perches
2014-06-13 16:48 ` Joe Perches
2014-06-13 16:54 ` Jason Cooper
2014-06-13 16:54 ` Jason Cooper
2014-06-13 20:38 ` Thomas Gleixner
2014-06-13 20:38 ` Thomas Gleixner
2014-06-13 22:22 ` Joe Perches
2014-06-13 22:22 ` Joe Perches
2014-06-13 22:22 ` Joe Perches
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