[U-Boot] [PATCH 1/5] Check for NULL prompt in readline_into_buffer()

Previously, passing readline() or readline_into_buffer() a NULL 'prompt' parameter would result in puts() printing garbage when CONFIG_CMDLINE_EDITING was enabled.

Signed-off-by: Peter Tyser ptyser@xes-inc.com --- common/main.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/common/main.c b/common/main.c index 026edd1..298982a 100644 --- a/common/main.c +++ b/common/main.c @@ -964,7 +964,8 @@ int readline_into_buffer (const char *const prompt, char * buffer) initted = 1; }

- puts (prompt); + if (prompt) + puts (prompt);

rc = cread_line(prompt, p, &len); return rc < 0 ? rc : len;