[PATCH 1/2] mtd: Make devname argument to add_mtd_device const

[Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>]

add_mtd_device duplicates the string where necessary, so make it
const.

Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
 drivers/mtd/core.c      | 2 +-
 drivers/mtd/mtd.h       | 2 +-
 drivers/mtd/mtdoob.c    | 2 +-
 drivers/mtd/mtdraw.c    | 2 +-
 include/linux/mtd/mtd.h | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c
index 681dc93..8b8254c 100644
--- a/drivers/mtd/core.c
+++ b/drivers/mtd/core.c
@@ -542,7 +542,7 @@ static int of_mtd_fixup(struct device_node *root, void *ctx)
 	return 0;
 }
 
-int add_mtd_device(struct mtd_info *mtd, char *devname, int device_id)
+int add_mtd_device(struct mtd_info *mtd, const char *devname, int device_id)
 {
 	struct mtddev_hook *hook;
 	int ret;
diff --git a/drivers/mtd/mtd.h b/drivers/mtd/mtd.h
index 414bd6c..2a85265 100644
--- a/drivers/mtd/mtd.h
+++ b/drivers/mtd/mtd.h
@@ -25,7 +25,7 @@
  */
 struct mtddev_hook {
 	struct list_head hook;
-	int (*add_mtd_device)(struct mtd_info *mtd, char *devname, void **priv);
+	int (*add_mtd_device)(struct mtd_info *mtd, const char *devname, void **priv);
 	int (*del_mtd_device)(struct mtd_info *mtd, void **priv);
 	void *priv;
 };
diff --git a/drivers/mtd/mtdoob.c b/drivers/mtd/mtdoob.c
index 10d17e9..6160ddb 100644
--- a/drivers/mtd/mtdoob.c
+++ b/drivers/mtd/mtdoob.c
@@ -69,7 +69,7 @@ static struct file_operations mtd_ops_oob = {
 	.lseek  = dev_lseek_default,
 };
 
-static int add_mtdoob_device(struct mtd_info *mtd, char *devname, void **priv)
+static int add_mtdoob_device(struct mtd_info *mtd, const char *devname, void **priv)
 {
 	struct mtdoob *mtdoob;
 
diff --git a/drivers/mtd/mtdraw.c b/drivers/mtd/mtdraw.c
index c25e406..ae4bec2 100644
--- a/drivers/mtd/mtdraw.c
+++ b/drivers/mtd/mtdraw.c
@@ -281,7 +281,7 @@ static const struct file_operations mtd_raw_fops = {
 	.lseek		= dev_lseek_default,
 };
 
-static int add_mtdraw_device(struct mtd_info *mtd, char *devname, void **priv)
+static int add_mtdraw_device(struct mtd_info *mtd, const char *devname, void **priv)
 {
 	struct mtdraw *mtdraw;
 
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 33f1fd5..7e828bc 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -270,7 +270,7 @@ static inline uint32_t mtd_div_by_wb(uint64_t sz, struct mtd_info *mtd)
 
 	/* Kernel-side ioctl definitions */
 
-extern int add_mtd_device(struct mtd_info *mtd, char *devname, int device_id);
+extern int add_mtd_device(struct mtd_info *mtd, const char *devname, int device_id);
 extern int del_mtd_device (struct mtd_info *mtd);
 
 extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
-- 
2.1.4


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