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-rw-r--r--components/dfs/filesystems/elmfat/dfs_elm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/dfs/filesystems/elmfat/dfs_elm.c b/components/dfs/filesystems/elmfat/dfs_elm.c
index ee3d29962f..a8c724d8ad 100644
--- a/components/dfs/filesystems/elmfat/dfs_elm.c
+++ b/components/dfs/filesystems/elmfat/dfs_elm.c
@@ -107,7 +107,7 @@ int dfs_elm_mount(struct dfs_filesystem *fs, unsigned long rwflag, const void *d
char drive[8];
DIR * dir;
- rt_snprintf(drive, sizeof(drive), "%d:/", fat->drv);
+ rt_snprintf(drive, sizeof(drive), "%d:/", index);
dir = (DIR *)rt_malloc(sizeof(DIR));
if (dir == RT_NULL)
return -DFS_STATUS_ENOMEM;