diff options
| author | Keir Fraser <keir@xen.org> | 2010-10-29 18:05:50 +0100 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2010-10-29 18:05:50 +0100 |
| commit | 5100a5ede1a200a2831f0b357fb474b853f8c83f (patch) | |
| tree | 179b84e20f46a09cf19007e46e9cd850e5720618 /xen/arch/x86/physdev.c | |
| parent | 9bbfbb147798c91c4f4c6f0b947ca62a7ae8b89a (diff) | |
| download | xen-5100a5ede1a200a2831f0b357fb474b853f8c83f.tar.gz xen-5100a5ede1a200a2831f0b357fb474b853f8c83f.tar.bz2 xen-5100a5ede1a200a2831f0b357fb474b853f8c83f.zip | |
Xen: fix various checks of unsigned integers < 0
Some of these could be benignly discarded by the compiler but some are
actual bugs.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Diffstat (limited to 'xen/arch/x86/physdev.c')
| -rw-r--r-- | xen/arch/x86/physdev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/physdev.c b/xen/arch/x86/physdev.c index baaff24ba2..6a12f0013e 100644 --- a/xen/arch/x86/physdev.c +++ b/xen/arch/x86/physdev.c @@ -202,7 +202,7 @@ ret_t do_physdev_op(int cmd, XEN_GUEST_HANDLE(void) arg) if ( copy_from_guest(&eoi, arg, 1) != 0 ) break; ret = -EINVAL; - if ( eoi.irq < 0 || eoi.irq >= v->domain->nr_pirqs ) + if ( eoi.irq >= v->domain->nr_pirqs ) break; if ( v->domain->arch.pirq_eoi_map ) evtchn_unmask(v->domain->pirq_to_evtchn[eoi.irq]); |