diff options
Diffstat (limited to 'components/dfs/src/dfs_file.c')
| -rw-r--r-- | components/dfs/src/dfs_file.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/components/dfs/src/dfs_file.c b/components/dfs/src/dfs_file.c index d1a47aa9fa..614a349494 100644 --- a/components/dfs/src/dfs_file.c +++ b/components/dfs/src/dfs_file.c @@ -335,6 +335,9 @@ int dfs_file_lseek(struct dfs_fd *fd, rt_off_t offset) if (fd == RT_NULL) return -DFS_STATUS_EINVAL; + fs = fd->fs; + if (fs == RT_NULL) + return -DFS_STATUS_EINVAL; if (fs->ops->lseek == RT_NULL) return -DFS_STATUS_ENOSYS; @@ -555,7 +558,7 @@ void ls(const char *pathname) if (pathname == RT_NULL) rt_free(path); } -FINSH_FUNCTION_EXPORT(ls, list directory contents) +FINSH_FUNCTION_EXPORT(ls, list directory contents); void rm(const char *filename) { @@ -564,7 +567,7 @@ void rm(const char *filename) rt_kprintf("Delete %s failed\n", filename); } } -FINSH_FUNCTION_EXPORT(rm, remove files or directories) +FINSH_FUNCTION_EXPORT(rm, remove files or directories); void cat(const char* filename) { @@ -590,7 +593,7 @@ void cat(const char* filename) dfs_file_close(&fd); } -FINSH_FUNCTION_EXPORT(cat, print file) +FINSH_FUNCTION_EXPORT(cat, print file); #define BUF_SZ 4096 static void copyfile(const char *src, const char *dst) |