Some functions can return ERR_PTR(errval). Add a unit test macro to check
that no error is returned in a pointer.

Signed-off-by: Simon Glass <[email protected]>
---

 include/test/ut.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/test/ut.h b/include/test/ut.h
index 5e5aa6c..da7c1a9 100644
--- a/include/test/ut.h
+++ b/include/test/ut.h
@@ -9,6 +9,8 @@
 #ifndef __TEST_UT_H
 #define __TEST_UT_H
 
+#include <linux/err.h>
+
 struct unit_test_state;
 
 /**
@@ -101,6 +103,19 @@ void ut_failf(struct unit_test_state *uts, const char 
*fname, int line,
        }                                                               \
 }
 
+/* Assert that a pointer is not an error pointer */
+#define ut_assertok_ptr(expr) {                                        \
+       const void *val = (expr);                                       \
+                                                                       \
+       if (IS_ERR(val)) {                                              \
+               ut_failf(uts, __FILE__, __LINE__, __func__,             \
+                        #expr " = NULL",                               \
+                        "Expected pointer, got error %ld",             \
+                        PTR_ERR(val));                                 \
+               return CMD_RET_FAILURE;                                 \
+       }                                                               \
+}
+
 /* Assert that an operation succeeds (returns 0) */
 #define ut_assertok(cond)      ut_asserteq(0, cond)
 
-- 
2.4.3.573.g4eafbef

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