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* [2.6 patch] drivers/scsi/dpt_i2o.c: fix a NULL pointer dereference
@ 2005-11-20 23:00 Adrian Bunk
  2005-11-20 23:08 ` [2.6 patch] drivers/message/i2o/pci.c: " Adrian Bunk
  0 siblings, 1 reply; 7+ messages in thread
From: Adrian Bunk @ 2005-11-20 23:00 UTC (permalink / raw)
  To: markus.lidel, James.Bottomley; +Cc: linux-scsi, linux-kernel, stable

The Coverity checker spotted this obvious NULL pointer dereference.


Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

 drivers/scsi/dpt_i2o.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- linux-2.6.15-rc1-mm2-full/drivers/scsi/dpt_i2o.c.old	2005-11-20 22:13:37.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/scsi/dpt_i2o.c	2005-11-20 22:16:57.000000000 +0100
@@ -816,7 +816,7 @@
 static void adpt_i2o_sys_shutdown(void)
 {
 	adpt_hba *pHba, *pNext;
-	struct adpt_i2o_post_wait_data *p1, *p2;
+	struct adpt_i2o_post_wait_data *p1, *old;
 
 	 printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
 	 printk(KERN_INFO"   This could take a few minutes if there are many devices attached\n");
@@ -830,13 +830,14 @@
 	}
 
 	/* Remove any timedout entries from the wait queue.  */
-	p2 = NULL;
 //	spin_lock_irqsave(&adpt_post_wait_lock, flags);
 	/* Nothing should be outstanding at this point so just
 	 * free them 
 	 */
-	for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p2->next) {
-		kfree(p1);
+	for(p1 = adpt_post_wait_queue; p1;) {
+		old = p1;
+		p1 = p1->next;
+		kfree(old);
 	}
 //	spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
 	adpt_post_wait_queue = NULL;


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [2.6 patch] drivers/message/i2o/pci.c: fix a NULL pointer dereference
@ 2005-11-20 23:08 ` Adrian Bunk
  2005-11-20 23:14   ` [2.6 patch] drivers/infiniband/core/mad.c: " Adrian Bunk
  0 siblings, 1 reply; 7+ messages in thread
From: Adrian Bunk @ 2005-11-20 23:08 UTC (permalink / raw)
  To: markus.lidel; +Cc: linux-kernel, stable

The Coverity checker spotted this obvious NULL pointer dereference.


Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c.old	2005-11-20 21:50:45.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c	2005-11-20 21:51:08.000000000 +0100
@@ -421,8 +421,8 @@
 	i2o_pci_free(c);
 
       free_controller:
-	i2o_iop_free(c);
 	put_device(c->device.parent);
+	i2o_iop_free(c);
 
       disable:
 	pci_disable_device(pdev);


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [2.6 patch] drivers/infiniband/core/mad.c: fix a NULL pointer dereference
@ 2005-11-20 23:14   ` Adrian Bunk
  2005-11-21  0:24     ` [stable] " Greg KH
  0 siblings, 1 reply; 7+ messages in thread
From: Adrian Bunk @ 2005-11-20 23:14 UTC (permalink / raw)
  To: rolandd, mshefty, halr; +Cc: openib-general, linux-kernel, stable

The Coverity checker spotted this obvious NULL pointer dereference 
caused by a wrong order of the cleanups.


Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.15-rc1-mm2-full/drivers/infiniband/core/mad.c.old	2005-11-20 22:04:36.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/infiniband/core/mad.c	2005-11-20 22:05:17.000000000 +0100
@@ -355,9 +355,9 @@
 	spin_unlock_irqrestore(&port_priv->reg_lock, flags);
 	kfree(reg_req);
 error3:
-	kfree(mad_agent_priv);
-error2:
 	ib_dereg_mr(mad_agent_priv->agent.mr);
+error2:
+	kfree(mad_agent_priv);
 error1:
 	return ret;
 }


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [stable] [2.6 patch] drivers/infiniband/core/mad.c: fix a NULL pointer dereference
  2005-11-20 23:14   ` [2.6 patch] drivers/infiniband/core/mad.c: " Adrian Bunk
@ 2005-11-21  0:24     ` Greg KH
  0 siblings, 0 replies; 7+ messages in thread
From: Greg KH @ 2005-11-21  0:24 UTC (permalink / raw)
  To: Adrian Bunk
  Cc: rolandd, mshefty, halr, linux-kernel, openib-general, stable,
	markus.lidel, James.Bottomley, linux-scsi


Please send these again to the stable@ address when they have been
accepted into upstream.

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [2.6 patch] drivers/message/i2o/pci.c: fix a NULL pointer dereference
@ 2005-11-23 22:34 Adrian Bunk
  0 siblings, 0 replies; 7+ messages in thread
From: Adrian Bunk @ 2005-11-23 22:34 UTC (permalink / raw)
  To: Linus Torvalds, Andrew Morton; +Cc: markus.lidel, linux-kernel

The Coverity checker spotted this obvious NULL pointer dereference.


Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

This patch was already sent on:
- 21 Nov 2005

--- linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c.old	2005-11-20 21:50:45.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c	2005-11-20 21:51:08.000000000 +0100
@@ -421,8 +421,8 @@
 	i2o_pci_free(c);
 
       free_controller:
-	i2o_iop_free(c);
 	put_device(c->device.parent);
+	i2o_iop_free(c);
 
       disable:
 	pci_disable_device(pdev);


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [2.6 patch] drivers/message/i2o/pci.c: fix a NULL pointer dereference
@ 2005-11-26 23:37 Adrian Bunk
  2005-11-27 16:32 ` Markus Lidel
  0 siblings, 1 reply; 7+ messages in thread
From: Adrian Bunk @ 2005-11-26 23:37 UTC (permalink / raw)
  To: Linus Torvalds, Andrew Morton; +Cc: markus.lidel, linux-kernel

The Coverity checker spotted this obvious NULL pointer dereference.


Signed-off-by: Adrian Bunk <bunk@stusta.de>

---

This patch was already sent on:
- 23 Nov 2005
- 21 Nov 2005

--- linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c.old	2005-11-20 21:50:45.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c	2005-11-20 21:51:08.000000000 +0100
@@ -421,8 +421,8 @@
 	i2o_pci_free(c);
 
       free_controller:
-	i2o_iop_free(c);
 	put_device(c->device.parent);
+	i2o_iop_free(c);
 
       disable:
 	pci_disable_device(pdev);


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [2.6 patch] drivers/message/i2o/pci.c: fix a NULL pointer dereference
  2005-11-26 23:37 Adrian Bunk
@ 2005-11-27 16:32 ` Markus Lidel
  0 siblings, 0 replies; 7+ messages in thread
From: Markus Lidel @ 2005-11-27 16:32 UTC (permalink / raw)
  To: Adrian Bunk; +Cc: Linus Torvalds, Andrew Morton, linux-kernel

Hello,

Adrian Bunk wrote:
> The Coverity checker spotted this obvious NULL pointer dereference.
> Signed-off-by: Adrian Bunk <bunk@stusta.de>

Signed-off-by: Markus Lidel <Markus.Lidel@shadowconnect.com

> This patch was already sent on:
> - 23 Nov 2005
> - 21 Nov 2005

Sorry, didn't know i have to answer to it. Next time i will respond earlier.

Thank you very much for this patch!

> --- linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c.old	2005-11-20 21:50:45.000000000 +0100
> +++ linux-2.6.15-rc1-mm2-full/drivers/message/i2o/pci.c	2005-11-20 21:51:08.000000000 +0100
> @@ -421,8 +421,8 @@
>  	i2o_pci_free(c);
>  
>        free_controller:
> -	i2o_iop_free(c);
>  	put_device(c->device.parent);
> +	i2o_iop_free(c);
>  
>        disable:
>  	pci_disable_device(pdev);

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2005-11-27 16:32 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2005-11-20 23:00 [2.6 patch] drivers/scsi/dpt_i2o.c: fix a NULL pointer dereference Adrian Bunk
2005-11-20 23:08 ` [2.6 patch] drivers/message/i2o/pci.c: " Adrian Bunk
2005-11-20 23:14   ` [2.6 patch] drivers/infiniband/core/mad.c: " Adrian Bunk
2005-11-21  0:24     ` [stable] " Greg KH
  -- strict thread matches above, loose matches on Subject: below --
2005-11-23 22:34 [2.6 patch] drivers/message/i2o/pci.c: " Adrian Bunk
2005-11-26 23:37 Adrian Bunk
2005-11-27 16:32 ` Markus Lidel

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