4.9-stable review patch. If anyone has any objections, please let me know.
------------------ From: Richard Weinberger <rich...@nod.at> commit 29b7a6fa1ec07e8480b0d9caf635a4498a438bf4 upstream. At this point UBI volumes have already been free()'ed and fastmap can no longer access these data structures. Reported-by: Martin Townsend <mtownsend1...@gmail.com> Fixes: 74cdaf24004a ("UBI: Fastmap: Fix memory leaks while closing the WL sub-system") Cc: sta...@vger.kernel.org Signed-off-by: Richard Weinberger <rich...@nod.at> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/mtd/ubi/fastmap-wl.c | 1 - 1 file changed, 1 deletion(-) --- 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 { int i; - flush_work(&ubi->fm_work); return_unused_pool_pebs(ubi, &ubi->fm_pool); return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);