mtd: mtd_nandecctest: make module_init() return an error code if test fails

Return an error code if test fails in order to detect a test case failure
by invoking tests repeatedly like this:

while sudo modprobe mtd_nandecctest; do
	sudo modprobe -r mtd_nandecctest
done

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c
index 4d7b171e825f..f71ed92b932c 100644
--- a/drivers/mtd/tests/mtd_nandecctest.c
+++ b/drivers/mtd/tests/mtd_nandecctest.c
@@ -66,10 +66,13 @@ static int nand_ecc_test(const size_t size)
 
 static int __init ecc_test_init(void)
 {
-        nand_ecc_test(256);
-        nand_ecc_test(512);
+        int err;
 
-        return 0;
+        err = nand_ecc_test(256);
+        if (err)
+                return err;
+
+        return nand_ecc_test(512);
 }
 
 static void __exit ecc_test_exit(void)