From: Cai Zhiyong <caizhiy...@huawei.com>
Date: Sat, 9 Nov 2013 17:54:12 +0800
Subject: [PATCH 2/2] mtd: cmdlinepart: support master name is not set when 
parser partition

 -Fix compile warning with value and function undeclared.
  this reported by <fengguang...@intel.com> and
  Randy Dunlap <rdun...@infradead.org>

 -support master name is not set when parser partition.
  this feature is supported in the old parser.

Signed-off-by: Cai Zhiyong <caizhiy...@huawei.com>
---
 drivers/mtd/Kconfig       |  1 +
 drivers/mtd/cmdlinepart.c | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index daf544a..f8f45e0 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -76,6 +76,7 @@ endif # MTD_REDBOOT_PARTS
 config MTD_CMDLINE_PARTS
        tristate "Command line partition table parsing"
        select BLK_CMDLINE_PARSER
+       depends on BLOCK
        depends on MTD
        ---help---
          Allow generic configuration of the MTD partition tables via the kernel
diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
index ba934a4..2074164 100644
--- a/drivers/mtd/cmdlinepart.c
+++ b/drivers/mtd/cmdlinepart.c
@@ -54,6 +54,7 @@
   */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/module.h>
@@ -108,7 +109,12 @@ static int parse_cmdline_partitions(struct mtd_info 
*master,
        if (!mtd_cmdline_parts)
                return 0;
 
-       parts = cmdline_parts_find(mtd_cmdline_parts, master->name);
+       /* If master->name is not set, return the first device partition. */
+       if (!master->name)
+               parts = mtd_cmdline_parts->next_parts;
+       else
+               parts = cmdline_parts_find(mtd_cmdline_parts, master->name);
+
        if (!parts)
                return 0;
 
@@ -143,5 +149,5 @@ MODULE_PARM_DESC(mtdparts, "Partitioning specification");
 module_param(mtdparts, charp, 0);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Marius Groeger <m...@sysgo.de>");
+MODULE_AUTHOR("Cai Zhiyong <caizhiy...@huawei.com>");
 MODULE_DESCRIPTION("Command line configuration of MTD partitions");
-- 
1.8.1.5

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