diff options
Diffstat (limited to 'components')
| -rw-r--r-- | components/utilities/ymodem/ry_sy.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/components/utilities/ymodem/ry_sy.c b/components/utilities/ymodem/ry_sy.c index a87f6949db..caad51d6cd 100644 --- a/components/utilities/ymodem/ry_sy.c +++ b/components/utilities/ymodem/ry_sy.c @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2019-12-09 Steven Liu the first version + * 2021-04-14 Meco Man Check the file path's legitimacy of 'sy' command */ #include <rtthread.h> @@ -219,6 +220,12 @@ static rt_err_t sy(uint8_t argc, char **argv) const char *file_path; rt_device_t dev; + if (argc < 2) + { + rt_kprintf("invalid file path.\n"); + return -RT_ERROR; + } + if (argc > 2) dev = rt_device_find(argv[2]); else |