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-rw-r--r--fs/fs.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/fs.c b/fs/fs.c
index e148a07406..f570312610 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -258,10 +258,12 @@ int do_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int len_read;
char buf[12];
- if (argc < 5)
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ if (argc > 7)
return CMD_RET_USAGE;
- if (fs_set_blk_dev(argv[1], argv[2], fstype))
+ if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
return 1;
if (argc >= 4) {
@@ -308,11 +310,13 @@ int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
{
if (argc < 2)
return CMD_RET_USAGE;
+ if (argc > 4)
+ return CMD_RET_USAGE;
if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
return 1;
- if (fs_ls(argc == 4 ? argv[3] : "/"))
+ if (fs_ls(argc >= 4 ? argv[3] : "/"))
return 1;
return 0;
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