Messages in this thread | | | Subject | Re: [patch] fuse: fix permission checking | From | Harvey Harrison <> | Date | Fri, 15 Feb 2008 12:35:38 -0800 |
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On Fri, 2008-02-15 at 11:23 +0100, Miklos Szeredi wrote: > This is for 2.6.25 and 2.6.24.y, but NOT for 2.6.23.y. > > Thanks, > Miklos > ---- > > From: Miklos Szeredi <mszeredi@suse.cz> > > I added a nasty local variable shadowing bug to fuse in 2.6.24, with > the result, that the 'default_permissions' mount option is basically > ignored. > > How did this happen? > > - old err declaration in inner scope > - new err getting declared in outer scope > - 'return err' from inner scope getting removed > - old declaration not being noticed > > -Wshadow would have saved us, but it doesn't seem practical for > the kernel :( > > More testing would have also saved us :((
sparse would have saved you too.
Harvey
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