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xen/pt: Fixup addr validation in xen_pt_pci_config_access_check

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xen_pt_pci_config_access_check checks if addr >= 0xFF. 0xFF is a valid
address and should not be ignored.

Signed-off-by: Anoob Soman <anoob.soman@citrix.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
This commit is contained in:
Anoob Soman 2017-07-05 14:56:35 +01:00 committed by Stefano Stabellini
parent 6c808651e3
commit 4daf62594d
1 changed files with 1 additions and 1 deletions
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2
hw/xen/xen_pt.c
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@ -85,7 +85,7 @@ void xen_pt_log(const PCIDevice *d, const char *f, ...)
static int xen_pt_pci_config_access_check(PCIDevice *d, uint32_t addr, int len)
{
/* check offset range */
if (addr >= 0xFF) {
if (addr > 0xFF) {
XEN_PT_ERR(d, "Failed to access register with offset exceeding 0xFF. "
"(addr: 0x%02x, len: %d)\n", addr, len);
return -1;