[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] libxl: arm: do not create /chosen/bootargs in DTB if no cmdline is specified
On Wed, 2014-02-26 at 12:14 +0000, Ian Campbell wrote: > On Wed, 2014-02-26 at 12:13 +0000, Ian Campbell wrote: > > Otherwise we deference a NULL pointer. > > > > I saw this while experimenting with libvirt on Xen on ARM, xl already checks > > that the command line is non NULL and provides "" as a default. > > > > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > > Cc: george.dunlap@xxxxxxxxxx> > > Typo (extra ">") so Goerge's CC got missed out... Dropping George since 4.4 is out the door so I'm sure he doesn't care any more. Ping to the rest of you... > > > --- > > This is a pretty obvious fix and would be nice to have if we are taking any > > more fixes for other stuff , but otherwise I think we can leave to 4.4.1 > > quite > > happily. > > --- > > tools/libxl/libxl_arm.c | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/tools/libxl/libxl_arm.c b/tools/libxl/libxl_arm.c > > index 0a1c8c5..0cfd0cf 100644 > > --- a/tools/libxl/libxl_arm.c > > +++ b/tools/libxl/libxl_arm.c > > @@ -164,8 +164,10 @@ static int make_chosen_node(libxl__gc *gc, void *fdt, > > res = fdt_begin_node(fdt, "chosen"); > > if (res) return res; > > > > - res = fdt_property_string(fdt, "bootargs", info->u.pv.cmdline); > > - if (res) return res; > > + if (info->u.pv.cmdline) { > > + res = fdt_property_string(fdt, "bootargs", info->u.pv.cmdline); > > + if (res) return res; > > + } > > > > res = fdt_end_node(fdt); > > if (res) return res; > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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