From: Joe Hershberger Date: Fri, 8 Feb 2013 10:12:34 +0000 (+0000) Subject: env: Avoid clobbering an edited variable on ctrl-c X-Git-Tag: v2013.04-rc1~3 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=18a3cce9fa9030e0e1fe0678ddcd0ae84d9423ca;p=u-boot env: Avoid clobbering an edited variable on ctrl-c If readline says there was an error, don't write to the variable! Signed-off-by: Joe Hershberger --- diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index d646d90880..3a05e60103 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -552,7 +552,8 @@ static int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, else buffer[0] = '\0'; - readline_into_buffer("edit: ", buffer, 0); + if (readline_into_buffer("edit: ", buffer, 0) < 0) + return 1; return setenv(argv[1], buffer); }