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[Qemu-trivial] [PATCH] chardev/baum: fix baum that releases brlapi twice
From: |
Liang Yan |
Subject: |
[Qemu-trivial] [PATCH] chardev/baum: fix baum that releases brlapi twice |
Date: |
Fri, 22 Sep 2017 18:55:33 -0400 |
Error process of baum_chr_open needs to set brlapi null, so it won't
get released twice in char_braille_finalize, which will cause
"/usr/bin/qemu-system-x86_64: double free or corruption (!prev)"
Signed-off-by: Liang Yan <address@hidden>
---
chardev/baum.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/chardev/baum.c b/chardev/baum.c
index 302dd9666c..67fd783a59 100644
--- a/chardev/baum.c
+++ b/chardev/baum.c
@@ -643,6 +643,7 @@ static void baum_chr_open(Chardev *chr,
error_setg(errp, "brlapi__openConnection: %s",
brlapi_strerror(brlapi_error_location()));
g_free(handle);
+ baum->brlapi = NULL;
return;
}
baum->deferred_init = 0;
--
2.14.1
- [Qemu-trivial] [PATCH] chardev/baum: fix baum that releases brlapi twice,
Liang Yan <=