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* [patch 1/2] cifs: add kfree() on error path
@ 2010-10-27 21:19 Dan Carpenter
  2010-10-27 23:40 ` Jeff Layton
  2010-10-28  0:57 ` Steve French
  0 siblings, 2 replies; 3+ messages in thread
From: Dan Carpenter @ 2010-10-27 21:19 UTC (permalink / raw)
  To: Steve French
  Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA,
	samba-technical-w/Ol4Ecudpl8XjKLYN78aQ,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA

We leak 256 bytes here on this error path. 

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 45af003..06a006b 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1353,6 +1353,7 @@ static int cifs_writepages(struct address_space *mapping,
 	if (!experimEnabled && tcon->ses->server->secMode &
 			(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
 		cifsFileInfo_put(open_file);
+		kfree(iov);
 		return generic_writepages(mapping, wbc);
 	}
 	cifsFileInfo_put(open_file);

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [patch 1/2] cifs: add kfree() on error path
  2010-10-27 21:19 [patch 1/2] cifs: add kfree() on error path Dan Carpenter
@ 2010-10-27 23:40 ` Jeff Layton
  2010-10-28  0:57 ` Steve French
  1 sibling, 0 replies; 3+ messages in thread
From: Jeff Layton @ 2010-10-27 23:40 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Steve French, linux-cifs-u79uwXL29TY76Z2rM5mHXA,
	samba-technical-w/Ol4Ecudpl8XjKLYN78aQ,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA

On Wed, 27 Oct 2010 23:19:32 +0200
Dan Carpenter <error27@gmail.com> wrote:

> We leak 256 bytes here on this error path. 
> 
> Signed-off-by: Dan Carpenter <error27@gmail.com>
> 
> diff --git a/fs/cifs/file.c b/fs/cifs/file.c
> index 45af003..06a006b 100644
> --- a/fs/cifs/file.c
> +++ b/fs/cifs/file.c
> @@ -1353,6 +1353,7 @@ static int cifs_writepages(struct address_space *mapping,
>  	if (!experimEnabled && tcon->ses->server->secMode &
>  			(SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
>  		cifsFileInfo_put(open_file);
> +		kfree(iov);
>  		return generic_writepages(mapping, wbc);
>  	}
>  	cifsFileInfo_put(open_file);

Good catch.

Acked-by: Jeff Layton <jlayton@redhat.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [patch 1/2] cifs: add kfree() on error path
  2010-10-27 21:19 [patch 1/2] cifs: add kfree() on error path Dan Carpenter
  2010-10-27 23:40 ` Jeff Layton
@ 2010-10-28  0:57 ` Steve French
  1 sibling, 0 replies; 3+ messages in thread
From: Steve French @ 2010-10-28  0:57 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Steve French, linux-cifs-u79uwXL29TY76Z2rM5mHXA,
	samba-technical-w/Ol4Ecudpl8XjKLYN78aQ,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA

On Wed, Oct 27, 2010 at 4:19 PM, Dan Carpenter <error27@gmail.com> wrote:
> We leak 256 bytes here on this error path.
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
>
> diff --git a/fs/cifs/file.c b/fs/cifs/file.c
> index 45af003..06a006b 100644
> --- a/fs/cifs/file.c
> +++ b/fs/cifs/file.c
> @@ -1353,6 +1353,7 @@ static int cifs_writepages(struct address_space *mapping,
>        if (!experimEnabled && tcon->ses->server->secMode &
>                        (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
>                cifsFileInfo_put(open_file);
> +               kfree(iov);
>                return generic_writepages(mapping, wbc);
>        }
>        cifsFileInfo_put(open_file);

Yes. obviously correct.- merged.

-- 
Thanks,

Steve
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-10-28  0:57 UTC | newest]

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2010-10-27 21:19 [patch 1/2] cifs: add kfree() on error path Dan Carpenter
2010-10-27 23:40 ` Jeff Layton
2010-10-28  0:57 ` Steve French

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