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[Xen-devel] [PATCH] libxl: Clear file object on successful munmap()
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] libxl: Clear file object on successful munmap() |
| From: | Jim Fehlig <jfehlig@xxxxxxxxxx> |
| Date: | Thu, 17 Feb 2011 11:28:49 -0700 |
| Delivery-date: | Thu, 17 Feb 2011 10:30:03 -0800 |
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# HG changeset patch
# User Jim Fehlig <jfehlig@xxxxxxxxxx>
# Date 1297967281 25200
# Node ID a7061a9d0d92de5172afb42cbfdf2cd2d46d0d0e
# Parent c0a46434347b265fc8c45e9be3adc41b43f4f682
libxl: Clear file object on successful munmap()
Clear members of libxl_file_reference when file is successfully unmapped.
Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxxxx>
diff -r c0a46434347b -r a7061a9d0d92 tools/libxl/libxl_internal.c
--- a/tools/libxl/libxl_internal.c Wed Feb 16 18:23:48 2011 +0000
+++ b/tools/libxl/libxl_internal.c Thu Feb 17 11:28:01 2011 -0700
@@ -233,6 +233,12 @@
return 0;
ret = munmap(f->data, f->size);
+ if (ret == 0) {
+ f->mapped = 0;
+ f->data = NULL;
+ f->size = 0;
+ return 0;
+ }
- return ret == 0 ? 0 : ERROR_FAIL;
+ return ERROR_FAIL;
}
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