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[PATCH 1/7 v2] Coverity: Fix the forward_null error in Python binding codes

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Related coverity log:

Error: FORWARD_NULL:
/builddir/build/BUILD/libvirt-0.9.10/python/libvirt-override.c:355:
assign_zero: Assigning: "params" = 0.
/builddir/build/BUILD/libvirt-0.9.10/python/libvirt-override.c:458:
var_deref_model: Passing null variable "params" to function
"getPyVirTypedParameter", which dereferences it. (The dereference is assumed on
the basis of the 'nonnull' parameter attribute.)
---
 python/libvirt-override.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index 56f96ba..130e702 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -71,7 +71,7 @@ static char *py_str(PyObject *obj)
 /* Helper function to convert a virTypedParameter output array into a
  * Python dictionary for return to the user.  Return NULL on failure,
  * after raising a python exception.  */
-static PyObject * ATTRIBUTE_NONNULL(1)
+static PyObject *
 getPyVirTypedParameter(const virTypedParameterPtr params, int nparams)
 {
     PyObject *key, *val, *info;
-- 
1.7.7.3

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