test fixes for sg append

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

2 files changed, 30 insertions, 1 deletions

diff --git a/tools/testing/scatterlist/linux/mm.h b/tools/testing/scatterlist/linux/mm.h
index adadf921dcdb..6ae907f375d2 100644
--- a/tools/testing/scatterlist/linux/mm.h
+++ b/tools/testing/scatterlist/linux/mm.h
@@ -128,4 +128,33 @@ kmalloc_array(unsigned int n, unsigned int size, unsigned int flags)
 #define PageSlab(p) (0)
 #define flush_kernel_dcache_page(p)
 
+#define MAX_ERRNO	4095
+
+#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
+
+static inline void * __must_check ERR_PTR(long error)
+{
+	return (void *) error;
+}
+
+static inline long __must_check PTR_ERR(__force const void *ptr)
+{
+	return (long) ptr;
+}
+
+static inline bool __must_check IS_ERR(__force const void *ptr)
+{
+	return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
+{
+	if (IS_ERR(ptr))
+		return PTR_ERR(ptr);
+	else
+		return 0;
+}
+
+#define IS_ENABLED(x) (0)
+
 #endif
diff --git a/tools/testing/scatterlist/main.c b/tools/testing/scatterlist/main.c
index 4899359a31ac..baa9cf49d2f0 100644
--- a/tools/testing/scatterlist/main.c
+++ b/tools/testing/scatterlist/main.c
@@ -54,7 +54,7 @@ int main(void)
 
 	for (i = 0, test = tests; test->expected_segments; test++, i++) {
 		struct page *pages[MAX_PAGES];
-		struct sg_table st;
+		struct sg_table st = { };
 		struct scatterlist *sg;
 
 		set_pages(pages, test->pfn, test->num_pages);