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[PULL,06/14] ide: remove undefined behavior in ide-test

Message ID 6048018ef6112476b529807ad603015314151bb2.1488264243.git.mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev Feb. 28, 2017, 6:44 a.m. UTC 
From: John Snow <jsnow@redhat.com>

trivial: initialize the dirty buffer with a random-ish byte.
Stops valgrind from whining about uninitialized buffers.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 tests/ide-test.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/tests/ide-test.c b/tests/ide-test.c
index fb541f8..b57c2b1 100644
--- a/tests/ide-test.c
+++ b/tests/ide-test.c
@@ -544,6 +544,7 @@  static void make_dirty(uint8_t device)
 
     guest_buf = guest_alloc(guest_malloc, len);
     buf = g_malloc(len);
+    memset(buf, rand() % 255 + 1, len);
     g_assert(guest_buf);
     g_assert(buf);