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mtd: physmap_of: fix cmdline partition method w/o linux, mtd-name

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Commit d68cbdd4fb (mtd: physmap_of: allow to specify the mtd name for retro
compatiblity) broke cmdline partitioning using dev_name() in the kernel command
line.  of_property_read_string() does not touch mtd_name when linux,mtd-name is
not present in the device tree, which causes map.name to be set to a random
value.  Fix this by initializing mtd_name to NULL.

Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Baruch Siach 2012-12-23 13:10:50 +02:00 committed by David Woodhouse
parent bf65aaa637
commit 7dfe4be351
1 changed files with 1 additions and 1 deletions
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drivers/mtd/maps/physmap_of.c
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@ -170,7 +170,7 @@ static int of_flash_probe(struct platform_device *dev)
resource_size_t res_size; resource_size_t res_size;
struct mtd_part_parser_data ppdata; struct mtd_part_parser_data ppdata;
bool map_indirect; bool map_indirect;
const char *mtd_name; const char *mtd_name = NULL;
match = of_match_device(of_flash_match, &dev->dev); match = of_match_device(of_flash_match, &dev->dev);
if (!match) if (!match)