[Xen-devel] [PATCH] linux-2.6.18/blktap2: fix after c/s 1035

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

The grant handle must be invalidated only in the error path.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- a/drivers/xen/blktap2/device.c
+++ b/drivers/xen/blktap2/device.c
@@ -516,8 +516,8 @@ blktap_map_foreign(struct blktap *tap,
                                WARN_ON(table->grants[grant].status == 
GNTST_eagain);
                                BTERR("invalid user buffer: could not remap 
it\n");
                                err |= 1;
+                               table->grants[grant].handle = 
INVALID_GRANT_HANDLE;
                        }
-                       table->grants[grant].handle = INVALID_GRANT_HANDLE;
                        request->handles[i].user = table->grants[grant].handle;
                        grant++;
                }

Attachment: xen-blktap2-fix-1035.patch
Description: Text document

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