* [PATCH] UBI: Fastmap: Fall back to scanning mode after ECC error
@ 2015-03-26 20:43 Richard Weinberger
2015-03-29 10:49 ` Richard Weinberger
0 siblings, 1 reply; 2+ messages in thread
From: Richard Weinberger @ 2015-03-26 20:43 UTC (permalink / raw)
To: linux-mtd; +Cc: Richard Weinberger, linux-kernel
If we encounter an uncorrectable ECC error while scanning for the fastmap
UBI must not fail hard. Instead fall back to scanning mode.
Reported-by: Alexander Block <Alexander.Block@continental-corporation.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/attach.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 9bc70eb..c1039d9 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -1419,7 +1419,7 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
err = scan_all(ubi, ai, 0);
else {
err = scan_fast(ubi, &ai);
- if (err > 0) {
+ if (err > 0 || mtd_is_eccerr(err)) {
if (err != UBI_NO_FASTMAP) {
destroy_ai(ai);
ai = alloc_ai();
--
1.8.4.5
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