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Message-Id: <1345214124-5478-6-git-send-email-richard.genoud@gmail.com>
Date: Fri, 17 Aug 2012 16:35:21 +0200
From: Richard Genoud <richard.genoud@...il.com>
To: Artem Bityutskiy <dedekind1@...il.com>
Cc: Shmulik Ladkani <shmulik.ladkani@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-mtd@...ts.infradead.org,
Richard Genoud <richard.genoud@...il.com>
Subject: [PATCH 5/8] UBI: check max_beb_per1024 value in ubi_attach_mtd_dev
max_beb_per1024 shouldn't be negative, and a 0 value will be treated as
the default value.
Signed-off-by: Richard Genoud <richard.genoud@...il.com>
---
drivers/mtd/ubi/build.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 58fe53d..ec7311f 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -855,6 +855,16 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num,
struct ubi_device *ubi;
int i, err, ref = 0;
+ if (max_beb_per1024 < 0)
+ return -EINVAL;
+
+ /*
+ * A value of 0 is forced to the default value to keep the same
+ * behavior between ubiattach command and module parameter
+ */
+ if (!max_beb_per1024)
+ max_beb_per1024 = CONFIG_MTD_UBI_BEB_LIMIT;
+
/*
* Check if we already have the same MTD device attached.
*
--
1.7.2.5
--
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