diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/ubi/build.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 6ac133994f9..0ed8105f9c1 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c | |||
@@ -867,38 +867,26 @@ static void ltree_entry_ctor(struct kmem_cache *cache, void *obj) | |||
867 | * find_mtd_device - open an MTD device by its name or number. | 867 | * find_mtd_device - open an MTD device by its name or number. |
868 | * @mtd_dev: name or number of the device | 868 | * @mtd_dev: name or number of the device |
869 | * | 869 | * |
870 | * This function tries to open and MTD device with name @mtd_dev, and if it | 870 | * This function tries to open and MTD device described by @mtd_dev string, |
871 | * fails, then it tries to interpret the @mtd_dev string as an ASCII-coded | 871 | * which is first treated as an ASCII number, and if it is not true, it is |
872 | * integer and open an MTD device with this number. Returns MTD device | 872 | * treated as MTD device name. Returns MTD device description object in case of |
873 | * description object in case of success and a negative error code in case of | 873 | * success and a negative error code in case of failure. |
874 | * failure. | ||
875 | */ | 874 | */ |
876 | static struct mtd_info * __init open_mtd_device(const char *mtd_dev) | 875 | static struct mtd_info * __init open_mtd_device(const char *mtd_dev) |
877 | { | 876 | { |
878 | struct mtd_info *mtd; | 877 | struct mtd_info *mtd; |
878 | int mtd_num; | ||
879 | char *endp; | ||
879 | 880 | ||
880 | mtd = get_mtd_device_nm(mtd_dev); | 881 | mtd_num = simple_strtoul(mtd_dev, &endp, 0); |
881 | if (IS_ERR(mtd)) { | 882 | if (*endp != '\0' || mtd_dev == endp) { |
882 | int mtd_num; | ||
883 | char *endp; | ||
884 | |||
885 | if (PTR_ERR(mtd) != -ENODEV) | ||
886 | return mtd; | ||
887 | |||
888 | /* | 883 | /* |
889 | * Probably this is not MTD device name but MTD device number - | 884 | * This does not look like an ASCII integer, probably this is |
890 | * check this out. | 885 | * MTD device name. |
891 | */ | 886 | */ |
892 | mtd_num = simple_strtoul(mtd_dev, &endp, 0); | 887 | mtd = get_mtd_device_nm(mtd_dev); |
893 | if (*endp != '\0' || mtd_dev == endp) { | 888 | } else |
894 | ubi_err("incorrect MTD device: \"%s\"", mtd_dev); | ||
895 | return ERR_PTR(-ENODEV); | ||
896 | } | ||
897 | |||
898 | mtd = get_mtd_device(NULL, mtd_num); | 889 | mtd = get_mtd_device(NULL, mtd_num); |
899 | if (IS_ERR(mtd)) | ||
900 | return mtd; | ||
901 | } | ||
902 | 890 | ||
903 | return mtd; | 891 | return mtd; |
904 | } | 892 | } |