[Xen-changelog] Initialise offsetopt when offset == 0. Closes bug #599.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID b7802a60b09fe181a36e1a32484fe434d9b38e98
# Parent  7af0d54f598c7e1a66564e10c862748c37d3c1a9
Initialise offsetopt when offset == 0.  Closes bug #599.

Report and diagnosis by Robert Hendrickx <robert.hendrickx@xxxxxxxxxxx>.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>

diff -r 7af0d54f598c -r b7802a60b09f tools/pygrub/src/fsys/ext2/ext2module.c
--- a/tools/pygrub/src/fsys/ext2/ext2module.c   Mon Apr 10 15:26:23 2006
+++ b/tools/pygrub/src/fsys/ext2/ext2module.c   Mon Apr 10 15:28:52 2006
@@ -228,7 +228,10 @@
     }
 
 #ifdef HAVE_EXT2FS_OPEN2
-    if (offset != 0) {
+    if (offset == 0) {
+        offsetopt[0] = '\0';
+    }
+    else {
         snprintf(offsetopt, 29, "offset=%d", offset);
     }
 

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