From 6be07cc1ca458278c85ecdbf1a0536cff4c701ec Mon Sep 17 00:00:00 2001 From: Gerald Van Baren Date: Wed, 25 Apr 2007 22:47:15 -0400 Subject: [PATCH] Improve fdt move length handling. Make the length parameter optional: if not specified, do the move using the current size unchanged. Signed-off-by: Gerald Van Baren --- common/cmd_fdt.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index 08fe3512d4..a119985942 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -115,7 +115,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) int len; int err; - if (argc != 5) { + if (argc < 4) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; } @@ -129,11 +129,20 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16); - len = simple_strtoul(argv[4], NULL, 16); - if (len < fdt_totalsize(fdt)) { - printf ("New length %d < existing length %d, aborting.\n", - len, fdt_totalsize(fdt)); - return 1; + + /* + * If the user specifies a length, use that. Otherwise use the + * current length. + */ + if (argc <= 4) { + len = fdt_totalsize(fdt); + } else { + len = simple_strtoul(argv[4], NULL, 16); + if (len < fdt_totalsize(fdt)) { + printf ("New length 0x%X < existing length 0x%X, aborting.\n", + len, fdt_totalsize(fdt)); + return 1; + } } /* -- 2.30.2