[elm] Fixed elm device unmount error when mounting multiple elm devices.
@@ -182,6 +182,7 @@ int dfs_elm_unmount(struct dfs_filesystem *fs)
FATFS *fat;
FRESULT result;
int index;
+ char logic_nbr[2] = {'0',':'};
fat = (FATFS *)fs->data;
@@ -192,7 +193,8 @@ int dfs_elm_unmount(struct dfs_filesystem *fs)
if (index == -1) /* not found */
return -ENOENT;
- result = f_mount(RT_NULL, "", (BYTE)index);
+ logic_nbr[0] = '0' + index;
+ result = f_mount(RT_NULL, logic_nbr, (BYTE)1);
if (result != FR_OK)
return elm_result_to_dfs(result);
