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* [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
@ 2012-01-11 18:52 Jan Kara
  2012-01-11 19:13 ` Ben Myers
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Jan Kara @ 2012-01-11 18:52 UTC (permalink / raw)
  To: Alex Elder; +Cc: Ben Myers, Jan Kara, stable, Carlos Maiolino, xfs

Commit b52a360b forgot to call xfs_iunlock() when it detected corrupted
symplink and bailed out. Fix it by jumping to 'out' instead of doing return.

CC: stable@kernel.org
CC: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/xfs/xfs_vnodeops.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index f2fea86..6156cd6 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -131,7 +131,8 @@ xfs_readlink(
 			 __func__, (unsigned long long) ip->i_ino,
 			 (long long) pathlen);
 		ASSERT(0);
-		return XFS_ERROR(EFSCORRUPTED);
+		error = XFS_ERROR(EFSCORRUPTED);
+		goto out;
 	}
 
 
-- 
1.7.1

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^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
  2012-01-11 18:52 [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink() Jan Kara
@ 2012-01-11 19:13 ` Ben Myers
  2012-01-24 18:01   ` Christoph Hellwig
  2012-01-11 20:30 ` Alex Elder
  2012-01-11 20:39 ` Dave Chinner
  2 siblings, 1 reply; 6+ messages in thread
From: Ben Myers @ 2012-01-11 19:13 UTC (permalink / raw)
  To: Jan Kara; +Cc: Alex Elder, stable, Carlos Maiolino, xfs

On Wed, Jan 11, 2012 at 07:52:10PM +0100, Jan Kara wrote:
> Commit b52a360b forgot to call xfs_iunlock() when it detected corrupted
> symplink and bailed out. Fix it by jumping to 'out' instead of doing return.
> 
> CC: stable@kernel.org
> CC: Carlos Maiolino <cmaiolino@redhat.com>
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  fs/xfs/xfs_vnodeops.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
> index f2fea86..6156cd6 100644
> --- a/fs/xfs/xfs_vnodeops.c
> +++ b/fs/xfs/xfs_vnodeops.c
> @@ -131,7 +131,8 @@ xfs_readlink(
>  			 __func__, (unsigned long long) ip->i_ino,
>  			 (long long) pathlen);
>  		ASSERT(0);
> -		return XFS_ERROR(EFSCORRUPTED);
> +		error = XFS_ERROR(EFSCORRUPTED);
> +		goto out;
>  	}

Looks good to me.

Reviewed-by: Ben Myers <bpm@sgi.com>

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
  2012-01-11 18:52 [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink() Jan Kara
  2012-01-11 19:13 ` Ben Myers
@ 2012-01-11 20:30 ` Alex Elder
  2012-01-11 20:39 ` Dave Chinner
  2 siblings, 0 replies; 6+ messages in thread
From: Alex Elder @ 2012-01-11 20:30 UTC (permalink / raw)
  To: Jan Kara; +Cc: Ben Myers, Alex Elder, stable, Carlos Maiolino, xfs

On Wed, 2012-01-11 at 19:52 +0100, Jan Kara wrote:
> Commit b52a360b forgot to call xfs_iunlock() when it detected corrupted
> symplink and bailed out. Fix it by jumping to 'out' instead of doing return.

Whoops.  Sorry I didn't catch that.  Your fix looks good.

Reviewed-by: Alex Elder <elder@kernel.org>

> CC: stable@kernel.org
> CC: Carlos Maiolino <cmaiolino@redhat.com>
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  fs/xfs/xfs_vnodeops.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
> index f2fea86..6156cd6 100644
> --- a/fs/xfs/xfs_vnodeops.c
> +++ b/fs/xfs/xfs_vnodeops.c
> @@ -131,7 +131,8 @@ xfs_readlink(
>  			 __func__, (unsigned long long) ip->i_ino,
>  			 (long long) pathlen);
>  		ASSERT(0);
> -		return XFS_ERROR(EFSCORRUPTED);
> +		error = XFS_ERROR(EFSCORRUPTED);
> +		goto out;
>  	}
>  
> 



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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
  2012-01-11 18:52 [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink() Jan Kara
  2012-01-11 19:13 ` Ben Myers
  2012-01-11 20:30 ` Alex Elder
@ 2012-01-11 20:39 ` Dave Chinner
  2 siblings, 0 replies; 6+ messages in thread
From: Dave Chinner @ 2012-01-11 20:39 UTC (permalink / raw)
  To: Jan Kara; +Cc: Ben Myers, Alex Elder, stable, Carlos Maiolino, xfs

On Wed, Jan 11, 2012 at 07:52:10PM +0100, Jan Kara wrote:
> Commit b52a360b forgot to call xfs_iunlock() when it detected corrupted
> symplink and bailed out. Fix it by jumping to 'out' instead of doing return.
> 
> CC: stable@kernel.org
> CC: Carlos Maiolino <cmaiolino@redhat.com>
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  fs/xfs/xfs_vnodeops.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
> index f2fea86..6156cd6 100644
> --- a/fs/xfs/xfs_vnodeops.c
> +++ b/fs/xfs/xfs_vnodeops.c
> @@ -131,7 +131,8 @@ xfs_readlink(
>  			 __func__, (unsigned long long) ip->i_ino,
>  			 (long long) pathlen);
>  		ASSERT(0);
> -		return XFS_ERROR(EFSCORRUPTED);
> +		error = XFS_ERROR(EFSCORRUPTED);
> +		goto out;
>  	}

Heh, you beat me to it. I was testing an identical patch yesterday
for this problem which was tripped over by RH QA....

Reviewed-by: Dave Chinner <dchinner@redhat.com>

-- 
Dave Chinner
david@fromorbit.com

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
  2012-01-11 19:13 ` Ben Myers
@ 2012-01-24 18:01   ` Christoph Hellwig
  2012-01-25 16:15     ` Ben Myers
  0 siblings, 1 reply; 6+ messages in thread
From: Christoph Hellwig @ 2012-01-24 18:01 UTC (permalink / raw)
  To: Ben Myers; +Cc: Alex Elder, Jan Kara, stable, Carlos Maiolino, xfs

On Wed, Jan 11, 2012 at 01:13:30PM -0600, Ben Myers wrote:
> Looks good to me.
> 
> Reviewed-by: Ben Myers <bpm@sgi.com>

Can you send it on to Linus ASAP, please?

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink()
  2012-01-24 18:01   ` Christoph Hellwig
@ 2012-01-25 16:15     ` Ben Myers
  0 siblings, 0 replies; 6+ messages in thread
From: Ben Myers @ 2012-01-25 16:15 UTC (permalink / raw)
  To: Christoph Hellwig; +Cc: Alex Elder, Jan Kara, stable, Carlos Maiolino, xfs

On Tue, Jan 24, 2012 at 01:01:02PM -0500, Christoph Hellwig wrote:
> On Wed, Jan 11, 2012 at 01:13:30PM -0600, Ben Myers wrote:
> > Looks good to me.
> > 
> > Reviewed-by: Ben Myers <bpm@sgi.com>
> 
> Can you send it on to Linus ASAP, please?

Yes.

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2012-01-25 16:15 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-01-11 18:52 [PATCH] xfs: Fix missing xfs_iunlock() on error recovery path in xfs_readlink() Jan Kara
2012-01-11 19:13 ` Ben Myers
2012-01-24 18:01   ` Christoph Hellwig
2012-01-25 16:15     ` Ben Myers
2012-01-11 20:30 ` Alex Elder
2012-01-11 20:39 ` Dave Chinner

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