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[dfs] Fix stdio fd error when POSIX api is used 

POSIX api e.g. poll read write
This commit is contained in:
gbcwbz 2018-12-23 19:14:14 +08:00
parent 6db31e30c7
commit 0924d277f6
1 changed files with 9 additions and 0 deletions
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9
components/dfs/src/dfs.c
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@ -18,6 +18,10 @@
#include <lwp.h>
#endif
#ifdef RT_USING_DFS_DEVFS
#include <libc.h>
#endif
/* Global variables */
const struct dfs_filesystem_ops *filesystem_operation_table[DFS_FILESYSTEM_TYPES_MAX];
struct dfs_filesystem filesystem_table[DFS_FILESYSTEMS_MAX];
@ -212,6 +216,11 @@ struct dfs_fd *fd_get(int fd)
struct dfs_fd *d;
struct dfs_fdtable *fdt;
#ifdef RT_USING_DFS_DEVFS
if ((0 <= fd) && (fd <= 2))
fd = libc_stdio_get_console();
#endif
fdt = dfs_fdtable_get();
fd = fd - DFS_FD_OFFSET;
if (fd < 0 || fd >= fdt->maxfd)