[Xen-changelog] [qemu-xen-traditional stable-4.6] signal: Don't use uninitalised sival_ptr

[patchbot@xxxxxxx]

commit 9b81761be03ac017bdb1a212e4b59de545853d2f
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Apr 21 14:35:45 2015 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Fri Oct 16 16:52:06 2015 +0100

    signal: Don't use uninitalised sival_ptr
    
    In 64bit builds, setting sival_int to 0 doesn't clear the upper half of the
    sival_ptr pointer.  Valgrind does not like this.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 vl.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index 67d9d86..c864e7d 100644
--- a/vl.c
+++ b/vl.c
@@ -1568,7 +1568,7 @@ static void rtc_stop_timer(struct qemu_alarm_timer *t)
 
 static int dynticks_start_timer(struct qemu_alarm_timer *t)
 {
-    struct sigevent ev;
+    struct sigevent ev = { { 0 } };
     timer_t host_timer;
     struct sigaction act;
 
@@ -1578,7 +1578,6 @@ static int dynticks_start_timer(struct qemu_alarm_timer 
*t)
 
     sigaction(SIGALRM, &act, NULL);
 
-    ev.sigev_value.sival_int = 0;
     ev.sigev_notify = SIGEV_SIGNAL;
     ev.sigev_signo = SIGALRM;
 
--
generated by git-patchbot for /home/xen/git/qemu-xen-traditional.git#stable-4.6

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