[PATCH] ubi: fastmap: Don't flush fastmap work on detach

From: Richard Weinberger
Date: Wed Jan 17 2018 - 17:15:13 EST


At this point UBI volumes have already been free()'ed and fastmap can no
longer access these data structures.

Reported-by: Martin Townsend <mtownsend1973@xxxxxxxxx>
Fixes: 74cdaf24004a ("UBI: Fastmap: Fix memory leaks while closing the WL sub-system")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
drivers/mtd/ubi/fastmap-wl.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index 4f0bd6b4422a..69dd21679a30 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -362,7 +362,6 @@ static void ubi_fastmap_close(struct ubi_device *ubi)
{
int i;

- flush_work(&ubi->fm_work);
return_unused_pool_pebs(ubi, &ubi->fm_pool);
return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);

--
2.13.6