On Thu, Nov 27, 2014 at 07:21:55AM +0100, Zbigniew Jędrzejewski-Szmek wrote:
> On Wed, Nov 26, 2014 at 09:55:10PM -0800, Greg KH wrote:
> > On Thu, Nov 27, 2014 at 03:19:44PM +1000, Peter Hutterer wrote:
> > > Currently a property in the form of
> > >   FOO=bar
> > > is stored as " FOO=bar", i.e. the property name contains a leading space.
> > > That's quite hard to spot.
> > > 
> > > This patch discards all extra whitespaces but the first one which is 
> > > required
> > > by libudev's hwdb_add_property.
> > > ---
> > >  src/udev/udevadm-hwdb.c | 4 ++++
> > >  1 file changed, 4 insertions(+)
> > > 
> > > diff --git a/src/udev/udevadm-hwdb.c b/src/udev/udevadm-hwdb.c
> > > index 3ca755e..dcc6e0f 100644
> > > --- a/src/udev/udevadm-hwdb.c
> > > +++ b/src/udev/udevadm-hwdb.c
> > > @@ -428,6 +428,10 @@ static int insert_data(struct trie *trie, struct 
> > > udev_list *match_list,
> > >          value[0] = '\0';
> > >          value++;
> > >  
> > > +        /* libudev requires properties to start with a space */
> > > +        while(line[0] != '\0' && isblank(line[1]))
> Shouldn't this be
> 
>   while (isblank(line[0]) && isblank(line[1]))
> 
> ? Otherwise stuff like "x yyy=111" might slip through.
I pushed the patch now with the above change (and style fixes ;)).

Zbyszek
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