[PATCH] mkfs: fix wrong extension count

[심동호]

fix an bug related to extension list.
there was the potential bug in set_cold_files function, namei.c.

Signed-off-by: Dongho Sim <dh....@samsung.com>
---
 mkfs/f2fs_format.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 9dbdc1d..d485808 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -154,7 +154,7 @@ static void configure_extension_list(void)
                memcpy(super_block.extension_list[i++], *extlist, name_len);
                extlist++;
        }
-       super_block.extension_count = i - 1;
+       super_block.extension_count = i;
 
        if (!ext_str)
                return;
@@ -165,11 +165,11 @@ static void configure_extension_list(void)
                name_len = strlen(ue);
                memcpy(super_block.extension_list[i++], ue, name_len);
                ue = strtok(NULL, ",");
-               if (i > F2FS_MAX_EXTENSION)
+               if (i >= F2FS_MAX_EXTENSION)
                        break;
        }
 
-       super_block.extension_count = i - 1;
+       super_block.extension_count = i;
 
        free(config.extension_list);
 }
-- 
1.7.9.5