From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 05/10] UBI: fix ubi free PEBs count calculation
Date: Thu, 11 Sep 2014 17:16:05 +0200 [thread overview]
Message-ID: <1410448570-2054-6-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1410448570-2054-1-git-send-email-s.hauer@pengutronix.de>
From: Tanya Brokhman <tlinder@codeaurora.org>
The ubi->free_count should be updated with every insert/remove to/from
the ubi->free list.
Signed-off-by: Tanya Brokhman <tlinder@codeaurora.org>
Reviewed-by: Dolev Raviv <draviv@codeaurora.org>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---
drivers/mtd/ubi/wl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 4ecbe18..e52910f 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -635,6 +635,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF);
self_check_in_wl_tree(ubi, e, &ubi->free);
+ ubi->free_count--;
+ ubi_assert(ubi->free_count >= 0);
rb_erase(&e->u.rb, &ubi->free);
return e;
@@ -1018,6 +1020,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
/* Give the unused PEB back */
wl_tree_add(e2, &ubi->free);
+ ubi->free_count++;
goto out_cancel;
}
self_check_in_wl_tree(ubi, e1, &ubi->used);
--
2.1.0
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next prev parent reply other threads:[~2014-09-11 15:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 15:16 UBI patches Sascha Hauer
2014-09-11 15:16 ` [PATCH 01/10] UBI: fix error return code Sascha Hauer
2014-09-11 15:16 ` [PATCH 02/10] UBI: avoid program operation on NOR flash after erasure interrupted Sascha Hauer
2014-09-11 15:16 ` [PATCH 03/10] UBI: fix some use after free bugs Sascha Hauer
2014-09-11 15:16 ` [PATCH 04/10] UBI: fix error path in __wl_get_peb Sascha Hauer
2014-09-11 15:16 ` Sascha Hauer [this message]
2014-09-11 15:16 ` [PATCH 06/10] UBI: fix rb_tree node comparison in add_map Sascha Hauer
2014-09-11 15:16 ` [PATCH 07/10] UBI: fix the volumes tree sorting criteria Sascha Hauer
2014-09-11 15:16 ` [PATCH 08/10] UBI: fastmap: do not miss bit-flips Sascha Hauer
2014-09-11 15:16 ` [PATCH 09/10] UBI: init_volumes: Ignore volumes with no LEBs Sascha Hauer
2014-09-11 15:16 ` [PATCH 10/10] UBI: bugfix in ubi_wl_flush() Sascha Hauer
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