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authorMeco Jianting Man <[email protected]>2021-04-21 05:58:37 +0800
committerGitHub <[email protected]>2021-04-21 05:58:37 +0800
commit09f04bee8fef92ace93fb89e498dbf15301448ac (patch)
tree9c0e8b8ed8fbcde5ab196f9af1c1ad690f71497b /components/utilities
parent349a85e83f2a9db7786335674bb65d6d1d7f1dab (diff)
parent4188301bda4f7309aa6ee5d3d35b7c65a2b59905 (diff)
Merge pull request #43 from RT-Thread/master
update
Diffstat (limited to 'components/utilities')
-rw-r--r--components/utilities/ymodem/ry_sy.c7
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