From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 20 Nov 2011 09:59:09 +0000 (+0100)
Subject: capabilities: Ignore EOPNOTSUPP.
X-Git-Tag: 0.9.18~14^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae613d8298280e48adfdf255859c1e65f47cc610;p=pakfire.git

capabilities: Ignore EOPNOTSUPP.

Also fixes SEGV in capabilities module, when an exception is raised.
---

diff --git a/python/src/capabilities.c b/python/src/capabilities.c
index c33607a7f..fb5574d13 100644
--- a/python/src/capabilities.c
+++ b/python/src/capabilities.c
@@ -29,7 +29,7 @@ PyObject *
 get_capabilities(PyObject *self, PyObject *args) {
 	const char *filename;
 	cap_t cap_d;
-	char *exception = NULL;
+	char exception[STRING_SIZE];
 
         if (!PyArg_ParseTuple(args, "s", &filename)) {
                 /* XXX raise exception */
@@ -38,7 +38,10 @@ get_capabilities(PyObject *self, PyObject *args) {
 
 	cap_d = cap_get_file(filename);
 	if (cap_d == NULL) {
-		if (errno != ENODATA) {
+		if (errno == EOPNOTSUPP) {
+			/* Return nothing, if the operation is not supported. */
+			Py_RETURN_NONE;
+		} else if (errno != ENODATA) {
 			snprintf(exception, STRING_SIZE - 1, "Failed to get capabilities of file %s (%s).",
 				filename, strerror(errno));
 			PyErr_SetString(PyExc_RuntimeError, exception);