erasure_layout.c: Fix incorrect return value in erase_write

On failure of erasefn in erase_write it didn't set the error value in
ret which caused send success status as return value.

Change-Id: Ia3bd5fd250dcd0a03f0281c478b9bacb71872f31
Signed-off-by: Aarya Chaumal <aarya.chaumal@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/74882
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
---
M erasure_layout.c
1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/erasure_layout.c b/erasure_layout.c
index a802ae4..108fea4 100644
--- a/erasure_layout.c
+++ b/erasure_layout.c
@@ -328,9 +328,12 @@
 					 addr, addr + len - 1);
 				free(region.name);
 
-				if (erasefn(flashctx, addr, len))
+				if (erasefn(flashctx, addr, len)) {
+					ret = -1;
 					goto _end;
+				}
 				if (check_erased_range(flashctx, addr, len)) {
+					ret = - 1;
 					msg_cerr("ERASE FAILED!\n");
 					goto _end;
 				}

