| commit | e9de2e5fd602c4f5ddf212d3837b19ad4f5878ad | [log] [tgz] |
|---|---|---|
| author | David Vrabel <david.vrabel@citrix.com> | Tue Sep 02 15:21:29 2014 +0100 |
| committer | David Vrabel <david.vrabel@citrix.com> | Thu Sep 04 13:13:13 2014 +0100 |
| tree | 5de52049ae43fe91f89196a76c23c24fc32e554e | |
| parent | 3dcf63677d4eb7fdfc13290c8558c301d2588fe8 [diff] |
xen/gntalloc: fix oops after runnning out of grant refs Only set gref->gref_id if foreign access was successfully granted and the grant ref is valid. If gref->gref_id == -ENOSPC the test in __del_gref() would incorrectly attempt to end foreign access (because grant_ref_t is unsigned). Signed-off-by: David Vrabel <david.vrabel@citrix.com> Reported-by: Dave Scott <dave.scott@citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>