[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] libxl: handle null lists in libxl_string_list_length
----- mattjd@xxxxxxxxx wrote: > After commit b0be2b12 ("libxl: fix libxl_string_list_length and its > only > caller") libxl_string_list_length no longer handles null (empty) > lists. Fix > so they are handled, returning length 0. > > While at it, remove the unneccessary undereferenced null pointer > check Are you sure this check should be removed? This routine can be called from anywhere (at least within libxl it seems) and one day someone will call it with NULL argument. I'd probably leave this check in. -boris > and tidy the layout of the function. > > Reported-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > Signed-off-by: Matthew Daley <mattjd@xxxxxxxxx> > --- > I've verified that this fixes the no-bootloader-arguments case. > > tools/libxl/libxl.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c > index eeaaee8..058bef2 100644 > --- a/tools/libxl/libxl.c > +++ b/tools/libxl/libxl.c > @@ -200,9 +200,12 @@ void libxl_string_list_dispose(libxl_string_list > *psl) > > int libxl_string_list_length(const libxl_string_list *psl) > { > - if (!psl) return 0; > int i = 0; > - while ((*psl)[i]) i++; > + > + if (*psl) > + while ((*psl)[i]) > + i++; > + > return i; > } > > -- > 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |