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* [PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init
@ 2017-04-13 19:32 ` Dan Carpenter
  0 siblings, 0 replies; 4+ messages in thread
From: Dan Carpenter @ 2017-04-13 19:32 UTC (permalink / raw)
  To: Matias Bjorling, Javier González; +Cc: linux-block, kernel-janitors

These labels are reversed so we could end up dereferencing an error
pointer or leaking.

Fixes: 7f347ba6bb3a ("lightnvm: physical block device (pblk) target")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 9b147cfd8a41..f173fd4ea947 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -527,10 +527,10 @@ int pblk_gc_init(struct pblk *pblk)
 
 	return 0;
 
-fail_free_main_kthread:
-	kthread_stop(gc->gc_ts);
 fail_free_writer_kthread:
 	kthread_stop(gc->gc_writer_ts);
+fail_free_main_kthread:
+	kthread_stop(gc->gc_ts);
 
 	return ret;
 }

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init
@ 2017-04-13 19:32 ` Dan Carpenter
  0 siblings, 0 replies; 4+ messages in thread
From: Dan Carpenter @ 2017-04-13 19:32 UTC (permalink / raw)
  To: Matias Bjorling, Javier González; +Cc: linux-block, kernel-janitors

These labels are reversed so we could end up dereferencing an error
pointer or leaking.

Fixes: 7f347ba6bb3a ("lightnvm: physical block device (pblk) target")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 9b147cfd8a41..f173fd4ea947 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -527,10 +527,10 @@ int pblk_gc_init(struct pblk *pblk)
 
 	return 0;
 
-fail_free_main_kthread:
-	kthread_stop(gc->gc_ts);
 fail_free_writer_kthread:
 	kthread_stop(gc->gc_writer_ts);
+fail_free_main_kthread:
+	kthread_stop(gc->gc_ts);
 
 	return ret;
 }

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init
  2017-04-13 19:32 ` Dan Carpenter
@ 2017-04-13 19:35   ` Matias Bjørling
  -1 siblings, 0 replies; 4+ messages in thread
From: Matias Bjørling @ 2017-04-13 19:35 UTC (permalink / raw)
  To: Dan Carpenter, Matias Bjorling, Javier González
  Cc: linux-block, kernel-janitors

On 04/13/2017 09:32 PM, Dan Carpenter wrote:
> These labels are reversed so we could end up dereferencing an error
> pointer or leaking.
>
> Fixes: 7f347ba6bb3a ("lightnvm: physical block device (pblk) target")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
> index 9b147cfd8a41..f173fd4ea947 100644
> --- a/drivers/lightnvm/pblk-gc.c
> +++ b/drivers/lightnvm/pblk-gc.c
> @@ -527,10 +527,10 @@ int pblk_gc_init(struct pblk *pblk)
>
>  	return 0;
>
> -fail_free_main_kthread:
> -	kthread_stop(gc->gc_ts);
>  fail_free_writer_kthread:
>  	kthread_stop(gc->gc_writer_ts);
> +fail_free_main_kthread:
> +	kthread_stop(gc->gc_ts);
>
>  	return ret;
>  }
>

Thanks Dan. I've applied it for 4.12.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init
@ 2017-04-13 19:35   ` Matias Bjørling
  0 siblings, 0 replies; 4+ messages in thread
From: Matias Bjørling @ 2017-04-13 19:35 UTC (permalink / raw)
  To: Dan Carpenter, Matias Bjorling, Javier González
  Cc: linux-block, kernel-janitors

On 04/13/2017 09:32 PM, Dan Carpenter wrote:
> These labels are reversed so we could end up dereferencing an error
> pointer or leaking.
>
> Fixes: 7f347ba6bb3a ("lightnvm: physical block device (pblk) target")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
> index 9b147cfd8a41..f173fd4ea947 100644
> --- a/drivers/lightnvm/pblk-gc.c
> +++ b/drivers/lightnvm/pblk-gc.c
> @@ -527,10 +527,10 @@ int pblk_gc_init(struct pblk *pblk)
>
>  	return 0;
>
> -fail_free_main_kthread:
> -	kthread_stop(gc->gc_ts);
>  fail_free_writer_kthread:
>  	kthread_stop(gc->gc_writer_ts);
> +fail_free_main_kthread:
> +	kthread_stop(gc->gc_ts);
>
>  	return ret;
>  }
>

Thanks Dan. I've applied it for 4.12.

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-04-13 19:35 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-04-13 19:32 [PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init Dan Carpenter
2017-04-13 19:32 ` Dan Carpenter
2017-04-13 19:35 ` Matias Bjørling
2017-04-13 19:35   ` Matias Bjørling

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