| commit | 5bd9f6cfe9db6df7c34e712332cbb1c380cf0391 | [log] [tgz] |
|---|---|---|
| author | Simon Glass <sjg@chromium.org> | Tue Dec 29 05:22:46 2015 -0700 |
| committer | Simon Glass <sjg@chromium.org> | Wed Jan 20 19:06:22 2016 -0700 |
| tree | 342441dd9382f84f8e1fd52c089ba394b378a97f | |
| parent | 825c186e835cc8d42ba2b3f6d128e81d702dc2a5 [diff] |
tiny-printf: Avoid printing NULL strings Add a check for NULL strings to avoid printing junk to the console. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c index 403b134..efe5c25 100644 --- a/lib/tiny-printf.c +++ b/lib/tiny-printf.c
@@ -108,8 +108,10 @@ w--; while (w-- > 0) putc(lz ? '0' : ' '); - while ((ch = *p++)) - putc(ch); + if (p) { + while ((ch = *p++)) + putc(ch); + } } }