cmd: fs: document where 'size' stores its result

Make it a little bit easier for the user to utilize the 'size' command.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/cmd/fs.c b/cmd/fs.c
index 5ad11647c2d398ac26c57de1c736a78ba28fee52..6044f73af5b4173151eb47d8f56c833d3989aac3 100644 (file)
--- a/cmd/fs.c
+++ b/cmd/fs.c
@@ -20,7 +20,7 @@ U_BOOT_CMD(
        "determine a file's size",
        "<interface> <dev[:part]> <filename>\n"
        "    - Find file 'filename' from 'dev' on 'interface'\n"
-       "      and determine its size."
+       "      determine its size, and store in the 'filesize' variable."
 );
 
 static int do_load_wrapper(struct cmd_tbl *cmdtp, int flag, int argc,