mtd: readtest: don't clobber error reports

Commit 2a6a28e7922c ("mtd: Make MTD tests cancelable") accidentally
clobbered any read failure reports.

Coverity CID #1296020

Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/mtd/tests/readtest.c b/drivers/mtd/tests/readtest.c
index a3196b750a22..58df07acdbdb 100644
--- a/drivers/mtd/tests/readtest.c
+++ b/drivers/mtd/tests/readtest.c
@@ -191,9 +191,11 @@ static int __init mtd_readtest_init(void)
                                 err = ret;
                 }
 
-                err = mtdtest_relax();
-                if (err)
+                ret = mtdtest_relax();
+                if (ret) {
+                        err = ret;
                         goto out;
+                }
         }
 
         if (err)