diff options
| author | Quentin Young <qlyoung@cumulusnetworks.com> | 2018-04-17 16:34:25 -0400 |
|---|---|---|
| committer | Quentin Young <qlyoung@cumulusnetworks.com> | 2018-04-18 12:16:19 -0400 |
| commit | 6451e84664d5735922c087733f1000a9ebd99504 (patch) | |
| tree | 577f73d103c859680062e1a14176a61b1c707854 /lib/buffer.c | |
| parent | 170f8b90ba57c331a6c95e73924bcae8d50220be (diff) | |
lib: avoid writing to negative fd
Coverity #1399341
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
Diffstat (limited to 'lib/buffer.c')
| -rw-r--r-- | lib/buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/buffer.c b/lib/buffer.c index 03202f1253..b573981c1b 100644 --- a/lib/buffer.c +++ b/lib/buffer.c @@ -429,6 +429,9 @@ in one shot. */ size_t iovcnt = 0; size_t nbyte = 0; + if (fd < 0) + return BUFFER_ERROR; + for (d = b->head; d && (iovcnt < MAX_CHUNKS) && (nbyte < MAX_FLUSH); d = d->next, iovcnt++) { iov[iovcnt].iov_base = d->data + d->sp; |