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[Qemu-devel] [PATCH] qdev: fix use-after-free regression from becdfa00cf
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH] qdev: fix use-after-free regression from becdfa00cfa |
Date: |
Mon, 7 Nov 2016 13:59:22 +0400 |
Spotted by Coverity, CID 1365383.
Signed-off-by: Marc-André Lureau <address@hidden>
---
hw/core/qdev-properties-system.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index c35f0f5..1b7ea50 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -200,18 +200,14 @@ static void set_chr(Object *obj, Visitor *v, const char
*name, void *opaque,
}
s = qemu_chr_find(str);
- g_free(str);
if (s == NULL) {
error_setg(errp, "Property '%s.%s' can't find value '%s'",
object_get_typename(obj), prop->name, str);
- return;
- }
-
- if (!qemu_chr_fe_init(be, s, errp)) {
+ } else if (!qemu_chr_fe_init(be, s, errp)) {
error_prepend(errp, "Property '%s.%s' can't take value '%s': ",
object_get_typename(obj), prop->name, str);
- return;
}
+ g_free(str);
}
static void release_chr(Object *obj, const char *name, void *opaque)
--
2.10.0
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