[U-Boot] [PATCH] 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 joe.hershberger@ni.com --- common/cmd_nvedit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index 7633f0c..063536b 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); }