[libvirt] [PATCH] xen: fix build error on rhel-5

Pavel Hrdina phrdina at redhat.com
Tue Apr 14 12:43:30 UTC 2015


../../src/xen/block_stats.c:82: warning: dereferencing type-punned
    pointer will break strict-aliasing rules [-Wstrict-aliasing]

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 src/xen/block_stats.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/xen/block_stats.c b/src/xen/block_stats.c
index e1e10a2..9dd3a07 100644
--- a/src/xen/block_stats.c
+++ b/src/xen/block_stats.c
@@ -63,7 +63,7 @@ static int64_t
 read_stat(const char *path)
 {
     char str[64];
-    int64_t r;
+    long long r;
     size_t i;
     FILE *fp;
 
@@ -79,10 +79,10 @@ read_stat(const char *path)
         return -1;
 
     str[i] = '\0';              /* make sure the string is nul-terminated */
-    if (virStrToLong_ll(str, NULL, 10, (long long *) &r) < 0)
+    if (virStrToLong_ll(str, NULL, 10, &r) < 0)
         return -1;
 
-    return r;
+    return (int64_t)r;
 }
 
 static int64_t
-- 
2.0.5




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