chr_write_lock was introduced in commit 9005b2a7589540a3733b3abdcfbccfe7746cd1a1
but was used uninitialized. It caused segmentation fault on windows hosts.

Add missing lock initialization to qemu_chr_alloc.

Cc: Paolo Bonzini <[email protected]>
Cc: Luiz Capitulino <[email protected]>
Cc: Fam Zheng <[email protected]>
Signed-off-by: Kirill Batuzov <[email protected]>
Signed-off-by: Nikita Belov <[email protected]>
---
 qemu-char.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/qemu-char.c b/qemu-char.c
index 2e50a10..17bd360 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -94,6 +94,7 @@ static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) 
chardevs =
 CharDriverState *qemu_chr_alloc(void)
 {
     CharDriverState *chr = g_malloc0(sizeof(CharDriverState));
+    qemu_mutex_init(&chr->chr_write_lock);
     return chr;
 }
 
-- 
1.7.10.4


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