If filename is passed instead of address to ext2load or fatload,
u-boot silently accepts that, and uses 0 for load address and default
filename from environment. That is confusing, display help instead.
Signed-off-by: Pavel Machek <pa...@denx.de>
diff --git a/fs/fs.c b/fs/fs.c
index 79d432d..ea15c5f 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -276,6 +276,7 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char *
const argv[],
unsigned long pos;
int len_read;
unsigned long time;
+ char *ep;
if (argc < 2)
return CMD_RET_USAGE;
@@ -286,7 +287,9 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char *
const argv[],
return 1;
if (argc >= 4) {
- addr = simple_strtoul(argv[3], NULL, 16);
+ addr = simple_strtoul(argv[3], &ep, 16);
+ if (ep == argv[3] || *ep != '\0')
+ return CMD_RET_USAGE;
} else {
addr_str = getenv("loadaddr");
if (addr_str != NULL)
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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