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Message-ID: <1479757899-6849-3-git-send-email-zach.brown@ni.com>
Date:   Mon, 21 Nov 2016 13:51:36 -0600
From:   Zach Brown <zach.brown@...com>
To:     <dwmw2@...radead.org>
CC:     <computersforpeace@...il.com>,
        <boris.brezillon@...e-electrons.com>, <richard@....at>,
        <dedekind1@...il.com>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [RESEND PATCH v5 2/5] mtd: ubi: use 'max_bad_blocks' to compute bad_peb_limit if available

From: Jeff Westfahl <jeff.westfahl@...com>

Use the MTD function 'max_bad_blocks' to compute the UBI bad_peb_limit,
if the function is implemented for an MTD and doesn't return an error.

Signed-off-by: Jeff Westfahl <jeff.westfahl@...com>
Signed-off-by: Zach Brown <zach.brown@...com>
Acked-by: Boris Brezillon <boris.brezillon@...e-electron.com>
---
 drivers/mtd/ubi/build.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 85d54f3..e9940a9 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -584,6 +584,10 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024)
 	int limit, device_pebs;
 	uint64_t device_size;
 
+	limit = mtd_max_bad_blocks(ubi->mtd, 0, ubi->mtd->size);
+	if (limit > 0)
+		return limit;
+
 	if (!max_beb_per1024)
 		return 0;
 
-- 
2.7.4

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