Commit 32abeb09 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'for-linus-4.15-rc3-tag' of git://

Pull xen fixes from Juergen Gross:
 "Just two small fixes for the new pvcalls frontend driver"

* tag 'for-linus-4.15-rc3-tag' of git://
  xen/pvcalls: Fix a check in pvcalls_front_remove()
  xen/pvcalls: check for xenbus_read() errors
parents d90696ed 1ab134ca
......@@ -1103,7 +1103,7 @@ static int pvcalls_front_remove(struct xenbus_device *dev)
if (bedata->ref >= 0)
if (bedata->ref != -1)
gnttab_end_foreign_access(bedata->ref, 0, 0);
......@@ -1128,6 +1128,8 @@ static int pvcalls_front_probe(struct xenbus_device *dev,
versions = xenbus_read(XBT_NIL, dev->otherend, "versions", &len);
if (IS_ERR(versions))
return PTR_ERR(versions);
if (!len)
return -EINVAL;
if (strcmp(versions, "1")) {
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