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[Qemu-devel] [PULL 04/35] qemu-img: fix img_compare() flags error path


From: Stefan Hajnoczi
Subject: [Qemu-devel] [PULL 04/35] qemu-img: fix img_compare() flags error path
Date: Fri, 29 Aug 2014 17:29:32 +0100

If img_compare() fails to parse the cache flags the goto out3 code path
will call qemu_progress_end().  Make sure we actually call
qemu_progress_init() first.

Reported-by: Markus Armbruster <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
 qemu-img.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 863798e..a761c36 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -999,6 +999,9 @@ static int img_compare(int argc, char **argv)
     filename1 = argv[optind++];
     filename2 = argv[optind++];
 
+    /* Initialize before goto out */
+    qemu_progress_init(progress, 2.0);
+
     flags = BDRV_O_FLAGS;
     ret = bdrv_parse_cache_flags(cache, &flags);
     if (ret < 0) {
@@ -1007,9 +1010,6 @@ static int img_compare(int argc, char **argv)
         goto out3;
     }
 
-    /* Initialize before goto out */
-    qemu_progress_init(progress, 2.0);
-
     bs1 = bdrv_new_open("image 1", filename1, fmt1, flags, true, quiet);
     if (!bs1) {
         error_report("Can't open file %s", filename1);
-- 
1.9.3




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