dfregress(8): Check prop_dictionary_get_uint32()'s return value.

Consistent with the rest of the file.

Found-by: gcc47

diff --git a/usr.bin/dfregress/testcase.c b/usr.bin/dfregress/testcase.c
index b943534..f69883a 100644 (file)
--- a/usr.bin/dfregress/testcase.c
+++ b/usr.bin/dfregress/testcase.c
@@ -264,10 +264,12 @@ uid_t
 testcase_get_runas_uid(prop_dictionary_t testcase)
 {
        uint32_t uid = 0;
-       int __unused r;
+       int r;
 
        r = prop_dictionary_get_uint32(
            prop_dictionary_get(testcase, "opts"), "runas_uid", &uid);
+       if (r == 0)
+               err(1, "prop_dictionary operation failed");
 
        return (uid_t)uid;
 }