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-rw-r--r--common/cmd_net.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/common/cmd_net.c b/common/cmd_net.c
index f89a24b..89519fa 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -221,8 +221,11 @@ static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
#ifdef CONFIG_CMD_TFTPPUT
case 4:
- save_addr = strict_strtoul(argv[1], NULL, 16);
- save_size = strict_strtoul(argv[2], NULL, 16);
+ if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
+ strict_strtoul(argv[2], 16, &save_size) < 0) {
+ printf("Invalid address/size\n");
+ return cmd_usage(cmdtp);
+ }
copy_filename(BootFile, argv[3], sizeof(BootFile));
break;
#endif