The patch titled
do_revoke error handling
has been added to the -mm tree. Its filename is
revoke-core-code-do_revoke-error-handling.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: do_revoke error handling
From: Frederik Deweerdt <deweerdt@xxxxxxx>
On Sun, May 06, 2007 at 12:23:15AM +0300, Pekka J Enberg wrote:
> On Sat, May 05, 2007 at 01:49:55AM -0700, Andrew Morton wrote:
> > >
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21/2.6.21-mm1/
> > >
> > fs/revoke.c: In function 'do_revoke':
> > fs/revoke.c:563: warning: 'details.fset' may be used uninitialized in this function
> > fs/revoke.c:563: warning: 'details.restore_start' may be used uninitialized in this function
>
> On Sat, 5 May 2007, Frederik Deweerdt wrote:
> > It seems that we should goto 'out_free_table' if an error happens in
> > the mainloop. Otherwise 'details' is passed to restore_files() without
> > being initialized.
>
> Good catch. The patch is wrong, though. Wwe must restore the file
> descriptors in case revoke fails; otherwise we'll leave non-revoked files
> hanging. The proper fix is to move initialization before the
> do_each_thread() bit. Care to make a new patch, Frederik?
>
OK, thanks for the explanation. Here it is.
Frederik
Signed-off-by: Frederik Deweerdt <frederik.deweerdt@xxxxxxxxx>
Acked-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/revoke.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/revoke.c~revoke-core-code-do_revoke-error-handling fs/revoke.c
--- a/fs/revoke.c~revoke-core-code-do_revoke-error-handling
+++ a/fs/revoke.c
@@ -597,6 +597,9 @@ static int do_revoke(struct inode *inode
goto retry;
}
+ details.fset = fset;
+ details.restore_start = 0;
+
/*
* First revoke the descriptors. After we are done, no one can start
* new operations on them.
@@ -625,9 +628,6 @@ static int do_revoke(struct inode *inode
if (err)
goto out_restore;
- details.fset = fset;
- details.restore_start = 0;
-
/*
* Now, revoke the files for good.
*/
_
Patches currently in -mm which might be from deweerdt@xxxxxxx are
revoke-core-code-do_revoke-error-handling.patch
reiser4-sb_sync_inodes.patch
-
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