diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 7b2fbf9..42f847d 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -764,7 +764,6 @@ static int host_pci_config_read(int pos, int len, uint32_t val)
     /* Access real host bridge. */
     int rc = snprintf(path, size, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/%s",
                       0, 0, 0, 0, "config");
-    int ret = 0;
 
     if (rc >= size || rc < 0) {
         return -ENODEV;
@@ -774,20 +773,15 @@ static int host_pci_config_read(int pos, int len, uint32_t val)
     if (config_fd < 0) {
         return -ENODEV;
     }
-
-    if (lseek(config_fd, pos, SEEK_SET) != pos) {
-        ret = -errno;
-        goto out;
-    }
     do {
-        rc = read(config_fd, (uint8_t *)&val, len);
+        rc = pread(config_fd, (uint8_t *)&val, len, pos);
     } while (rc < 0 && (errno == EINTR || errno == EAGAIN));
+    close(config_fd);
     if (rc != len) {
-        ret = -errno;
+        return -errno;
     }
-out:
-    close(config_fd);
-    return ret;
+
+    return 0;
 }
 
 static int igd_pt_i440fx_initfn(struct PCIDevice *pci_dev)