Patchwork [V2,07/10] msix: use range helper function.

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Submitter Isaku Yamahata
Date Dec. 15, 2009, 11:26 a.m.
Message ID <1260876367-28197-8-git-send-email-yamahata@valinux.co.jp>
Download mbox | patch
Permalink /patch/41177/
State New
Headers show

Comments

Isaku Yamahata - Dec. 15, 2009, 11:26 a.m.
use range helper function in msix_write_config().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/msix.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Patch

diff --git a/hw/msix.c b/hw/msix.c
index 0baedef..2ca0900 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -175,7 +175,7 @@  void msix_write_config(PCIDevice *dev, uint32_t addr,
     unsigned enable_pos = dev->msix_cap + MSIX_CONTROL_OFFSET;
     int vector;
 
-    if (addr + len <= enable_pos || addr > enable_pos) {
+    if (!range_covers_byte(addr, len, enable_pos)) {
         return;
     }