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tools: kwboot: Allow to use -b without image path as the last getopt() option

Currently it is possible to call "kwboot -b -t /dev/ttyUSB0" but not to
call "kwboot -b /dev/ttyUSB0".

Fix it by not trying to process the last argv[], which is non-getopt()
option (tty path) as the image path for -b.

Fixes: c513fe47dca2 ("tools: kwboot: Allow to use option -b without image path")
Reported-by: Marcel Ziswiler <marcel@ziswiler.com>
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marcel Ziswiler <marcel@ziswiler.com>
Tested-by: Marcel Ziswiler <marcel@ziswiler.com>
Pali Rohár 2 years ago
parent
commit
9e6d71d2b5
1 changed files with 1 additions and 1 deletions
  1. 1 1
      tools/kwboot.c

+ 1 - 1
tools/kwboot.c

@@ -1770,7 +1770,7 @@ main(int argc, char **argv)
 			bootmsg = kwboot_msg_boot;
 			if (prev_optind == optind)
 				goto usage;
-			if (argv[optind] && argv[optind][0] != '-')
+			if (optind < argc - 1 && argv[optind] && argv[optind][0] != '-')
 				imgpath = argv[optind++];
 			break;