diff options
| author |   Nathan Skrzypczak <nathan.skrzypczak@gmail.com> | 2020-11-23 17:56:32 +0100 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2020-11-23 19:08:09 +0000 |
| commit | 19ce5022250da13f253443aa6900c2d1965db0ce (patch) | |
| tree | d8ac6a87f6463651f03d3d3f302838826638ae2c | |
| parent | 2cdb301678b3ba26331a9bc63ca1ab7af131e281 (diff) | |
vlib: Fix sh int addr
format_l2_input might return s=0 which
causes vlib_cli_output to print weird
things when calling sh int addr
Type: fix
Change-Id: I3fe747979355e41aed51656f3b44e0eb76d33ef9
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
| -rw-r--r-- | src/vlib/cli.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vlib/cli.c b/src/vlib/cli.c index a88bd3a62f6..68f16fc33f0 100644 --- a/src/vlib/cli.c +++ b/src/vlib/cli.c @@ -703,6 +703,11 @@ vlib_cli_output (vlib_main_t * vm, char *fmt, ...) s = va_format (0, fmt, &va); va_end (va); + /* some format functions might return 0 + * e.g. show int addr */ + if (NULL == s) + return; + /* Terminate with \n if not present. */ if (vec_len (s) > 0 && s[vec_len (s) - 1] != '\n') vec_add1 (s, '\n'); |