linux-kernel - [PATCH 3/8] UBI: introduce MTD_PARAM_MAX

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Message-Id: <1345214124-5478-4-git-send-email-richard.genoud@gmail.com>
Date:	Fri, 17 Aug 2012 16:35:19 +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 3/8] UBI: introduce MTD_PARAM_MAX_COUNT

Signed-off-by: Richard Genoud <richard.genoud@...il.com>
---
 drivers/mtd/ubi/build.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 82d11e1..1f45f51 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -46,6 +46,9 @@
 /* Maximum length of the 'mtd=' parameter */
 #define MTD_PARAM_LEN_MAX 64
 
+/* Maximum number of comma-separated items in ht 'mtd=' parameter */
+#define MTD_PARAM_MAX_COUNT 2
+
 #ifdef CONFIG_MTD_UBI_MODULE
 #define ubi_is_module() 1
 #else
@@ -1327,7 +1330,7 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
 	struct mtd_dev_param *p;
 	char buf[MTD_PARAM_LEN_MAX];
 	char *pbuf = &buf[0];
-	char *tokens[2] = {NULL, NULL};
+	char *tokens[MTD_PARAM_MAX_COUNT];
 
 	if (!val)
 		return -EINVAL;
@@ -1357,7 +1360,7 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
 	if (buf[len - 1] == '\n')
 		buf[len - 1] = '\0';
 
-	for (i = 0; i < 2; i++)
+	for (i = 0; i < MTD_PARAM_MAX_COUNT; i++)
 		tokens[i] = strsep(&pbuf, ",");
 
 	if (pbuf) {
-- 
1.7.2.5

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