1 files changed, 19 insertions, 2 deletions
diff --git a/liblog/tests/libc_test.cpp b/liblog/tests/libc_test.cpp
index 3d58147541..f05a955e76 100644
--- a/liblog/tests/libc_test.cpp
+++ b/liblog/tests/libc_test.cpp
@@ -16,6 +16,7 @@
 
 #include <gtest/gtest.h>
 
+#include <errno.h>
 #include <stdio.h>
 
 TEST(libc, __pstore_append) {
@@ -23,6 +24,22 @@ TEST(libc, __pstore_append) {
     ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "a")));
     static const char message[] = "libc.__pstore_append\n";
     ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp));
-    ASSERT_EQ(0, fclose(fp));
-    fprintf(stderr, "Reboot, ensure string libc.__pstore_append is in /sys/fs/pstore/pmsg-ramoops-0\n");
+    int fflushReturn = fflush(fp);
+    int fflushErrno = fflushReturn ? errno : 0;
+    ASSERT_EQ(0, fflushReturn);
+    ASSERT_EQ(0, fflushErrno);
+    int fcloseReturn = fclose(fp);
+    int fcloseErrno = fcloseReturn ? errno : 0;
+    ASSERT_EQ(0, fcloseReturn);
+    ASSERT_EQ(0, fcloseErrno);
+    if ((fcloseErrno == ENOMEM) || (fflushErrno == ENOMEM)) {
+        fprintf(stderr,
+                "Kernel does not have space allocated to pmsg pstore driver configured\n"
+               );
+    }
+    if (!fcloseReturn && !fcloseErrno && !fflushReturn && !fflushReturn) {
+        fprintf(stderr,
+                "Reboot, ensure string libc.__pstore_append is in /sys/fs/pstore/pmsg-ramoops-0\n"
+               );
+    }
 }