From: Richard Weinberger <richard@xxxxxx>
Add a ubi_fastmap_close() to free all resources used by fastmap
at WL shutdown.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Tested-by: Guido Martínez <guido@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Guido Martínez <guido@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Teresa Remmet <t.remmet@xxxxxxxxx>
---
drivers/mtd/ubi/wl.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index fd384c6..8875ec7 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1857,6 +1857,22 @@ static void protection_queue_destroy(struct ubi_device *ubi)
}
}
+static void ubi_fastmap_close(struct ubi_device *ubi)
+{
+#ifdef CONFIG_MTD_UBI_FASTMAP
+ int i;
+
+ return_unused_pool_pebs(ubi, &ubi->fm_pool);
+ return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);
+
+ if (ubi->fm) {
+ for (i = 0; i < ubi->fm->used_blocks; i++)
+ kfree(ubi->fm->e[i]);
+ }
+ kfree(ubi->fm);
+#endif
+}
+
/**
* ubi_wl_close - close the wear-leveling sub-system.
* @ubi: UBI device description object
@@ -1864,6 +1880,7 @@ static void protection_queue_destroy(struct ubi_device *ubi)
void ubi_wl_close(struct ubi_device *ubi)
{
dbg_wl("close the WL sub-system");
+ ubi_fastmap_close(ubi);
shutdown_work(ubi);
protection_queue_destroy(ubi);
tree_destroy(&ubi->used);
--
1.9.1
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