diff options
Diffstat (limited to 'components/dfs/filesystems/devfs/devfs.c')
| -rw-r--r-- | components/dfs/filesystems/devfs/devfs.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/components/dfs/filesystems/devfs/devfs.c b/components/dfs/filesystems/devfs/devfs.c index 969c5d3321..1f4569558f 100644 --- a/components/dfs/filesystems/devfs/devfs.c +++ b/components/dfs/filesystems/devfs/devfs.c @@ -131,6 +131,7 @@ int dfs_device_fs_close(struct dfs_fd *file) int dfs_device_fs_open(struct dfs_fd *file) { + rt_err_t result; rt_device_t device; if (file->flags & DFS_O_CREAT) @@ -186,9 +187,16 @@ int dfs_device_fs_open(struct dfs_fd *file) if (device == RT_NULL) return -DFS_STATUS_ENODEV; - file->data = device; - - return DFS_STATUS_OK; + /* to open device */ + result = rt_device_open(device, RT_DEVICE_OFLAG_RDWR); + if (result == RT_EOK || result == -RT_ENOSYS) + { + file->data = device; + return DFS_STATUS_OK; + } + + /* open device failed. */ + return -DFS_STATUS_EIO; } int dfs_device_fs_stat(struct dfs_filesystem *fs, const char *path, struct stat *st) |