[PATCH v2] mtd: tests: check erase block count in page test

[Stefan Agner]

When there is only a single erase block, the cross erase test
does not report sensible errors. Warn in case there is only
a single erase block instead of executing the test.

Signed-off-by: Stefan Agner <stefan at agner.ch>
---
 drivers/mtd/tests/pagetest.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/tests/pagetest.c b/drivers/mtd/tests/pagetest.c
index ff1e0565b020..bc303cac9f43 100644
--- a/drivers/mtd/tests/pagetest.c
+++ b/drivers/mtd/tests/pagetest.c
@@ -435,9 +435,13 @@ static int __init mtd_pagetest_init(void)
 	if (err)
 		goto out;
 
-	err = erasecrosstest();
-	if (err)
-		goto out;
+	if (ebcnt > 1) {
+		err = erasecrosstest();
+		if (err)
+			goto out;
+	} else {
+		pr_info("skipping erasecrosstest, 2 erase blocks needed\n");
+	}
 
 	err = erasetest();
 	if (err)
-- 
2.16.2