From beb602b6a3d1cc7b2edaab517d94abebe5f4a445 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Tue, 30 Nov 2010 23:12:30 -0800 Subject: nanddump: check for negative inputs Includes error messages for negative device offsets and negative lengths, telling the user what the offending option and value were. Previous patch left out the "negative" in the error message. Signed-off-by: Brian Norris Signed-off-by: Artem Bityutskiy --- nanddump.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'nanddump.c') diff --git a/nanddump.c b/nanddump.c index b0dd7dc..6a6f904 100644 --- a/nanddump.c +++ b/nanddump.c @@ -173,6 +173,13 @@ static void process_options(int argc, char * const argv[]) } } + if (start_addr < 0) + errmsg_die("Can't specify negative offset with option -s: %lld", + start_addr); + + if (length < 0) + errmsg_die("Can't specify negative length with option -l: %lld", length); + if (quiet && pretty_print) { fprintf(stderr, "The quiet and pretty print options are mutually-\n" "exclusive. Choose one or the other.\n"); -- cgit v1.2.3