[Xen-changelog] [xen-unstable] libxc: fix a few memory leaks

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

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1256288422 -3600
# Node ID 6d38985b00fcd809c3d0e5090fac5420f3a92293
# Parent  4a65bd76e09b152053202b2e58b536264935e6ef
libxc: fix a few memory leaks

running qemu with valgrind I found I couple of small memory leaks in
libxc, this patch fixes them.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 tools/libxc/xc_linux.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff -r 4a65bd76e09b -r 6d38985b00fc tools/libxc/xc_linux.c
--- a/tools/libxc/xc_linux.c    Fri Oct 23 09:59:45 2009 +0100
+++ b/tools/libxc/xc_linux.c    Fri Oct 23 10:00:22 2009 +0100
@@ -95,6 +95,7 @@ void *xc_map_foreign_range(int xc_handle
     xen_pfn_t *arr;
     int num;
     int i;
+    void *ret;
 
     num = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
     arr = calloc(num, sizeof(xen_pfn_t));
@@ -102,7 +103,9 @@ void *xc_map_foreign_range(int xc_handle
     for ( i = 0; i < num; i++ )
         arr[i] = mfn + i;
 
-    return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
+    ret = xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
+    free(arr);
+    return ret;
 }
 
 void *xc_map_foreign_ranges(int xc_handle, uint32_t dom,
@@ -114,6 +117,7 @@ void *xc_map_foreign_ranges(int xc_handl
     int num;
     int i;
     int j;
+    void *ret;
 
     num_per_entry = chunksize >> PAGE_SHIFT;
     num = num_per_entry * nentries;
@@ -123,7 +127,9 @@ void *xc_map_foreign_ranges(int xc_handl
         for ( j = 0; j < num_per_entry; j++ )
             arr[i * num_per_entry + j] = entries[i].mfn + j;
 
-    return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
+    ret = xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
+    free(arr);
+    return ret;
 }
 
 static int do_privcmd(int xc_handle, unsigned int cmd, unsigned long data)

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