[Xen-changelog] [xen-unstable] libxl: Handle non-ballooned, zero slackmem properly for pci passthru

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User George Dunlap <george.dunlap@xxxxxxxxxxxxx>
# Date 1333383751 -3600
# Node ID 86f9fd67152ba4c5bb3870f9b95ae304809eab86
# Parent  eb12efa7be28bdfd55a51e1603571b1f57305a98
libxl: Handle non-ballooned, zero slackmem properly for pci passthru

The e820_sanitize() function in libxl_pci.c expects one of its arguments to
be non-zero; but since a recent changeset, it can typically expect *to be*
zero.  Since the zero case is handled properly, just remove the check.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
---


diff -r eb12efa7be28 -r 86f9fd67152b tools/libxl/libxl_pci.c
--- a/tools/libxl/libxl_pci.c   Tue Mar 27 13:52:51 2012 +0100
+++ b/tools/libxl/libxl_pci.c   Mon Apr 02 17:22:31 2012 +0100
@@ -1177,7 +1177,7 @@ static int e820_sanitize(libxl_ctx *ctx,
     uint32_t i, idx = 0, nr;
     struct e820entry e820[E820MAX];
 
-    if (!src || !map_limitkb || !balloon_kb || !nr_entries)
+    if (!src || !map_limitkb || !nr_entries)
         return ERROR_INVAL;
 
     nr = *nr_entries;

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