diff mbox

[PULL,3/3] xen/pt: Fixup addr validation in xen_pt_pci_config_access_check

Message ID 1499452204-20769-3-git-send-email-sstabellini@kernel.org
State New
Headers show

Commit Message

Stefano Stabellini July 7, 2017, 6:30 p.m. UTC 
From: Anoob Soman <anoob.soman@citrix.com>

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>
---
 hw/xen/xen_pt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index b6d71bb..375efa6 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -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;