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[Qemu-devel] [PATCH v16 20/24] qapi: Don't pass NULL to printf in string

From: Eric Blake
Subject: [Qemu-devel] [PATCH v16 20/24] qapi: Don't pass NULL to printf in string input visitor
Date: Thu, 28 Apr 2016 15:45:28 -0600

Make sure the error message for visit_type_uint64() gracefully
handles a NULL 'name' when called from the top level or a list
context, as not all the world behaves like glibc in allowing
NULL through a printf-family %s.

Signed-off-by: Eric Blake <address@hidden>

v16: split off NULL handling
v15: new patch
 qapi/string-input-visitor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c
index 797973a..b55d199 100644
--- a/qapi/string-input-visitor.c
+++ b/qapi/string-input-visitor.c
@@ -222,7 +222,7 @@ static void parse_type_int64(Visitor *v, const char *name, 
int64_t *obj,

-    error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name,
+    error_setg(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
                "an int64 value or range");


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