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| author | Mark Stapp <mjs@voltanet.io> | 2021-04-14 15:57:41 +0200 |
|---|---|---|
| committer | Mark Stapp <mjs@voltanet.io> | 2021-04-14 15:57:41 +0200 |
| commit | f5a1fb4f321d660ae213255887f0a449c91babd1 (patch) | |
| tree | 36d18de7169c838dd5efd81580bb37d128fe0e10 /nhrpd | |
| parent | Merge pull request #8320 from idryzhov/prefix-list-seqnum (diff) | |
| download | frr-f5a1fb4f321d660ae213255887f0a449c91babd1.tar.xz frr-f5a1fb4f321d660ae213255887f0a449c91babd1.zip | |
nhrpd: fix coverity warning about os_socket()
Ensure we don't try to use an invalid fd in nhrpd, reported
by coverity.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
Diffstat (limited to 'nhrpd')
| -rw-r--r-- | nhrpd/linux.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/nhrpd/linux.c b/nhrpd/linux.c index bcf97f030..f697311d4 100644 --- a/nhrpd/linux.c +++ b/nhrpd/linux.c @@ -60,7 +60,7 @@ int os_sendmsg(const uint8_t *buf, size_t len, int ifindex, const uint8_t *addr, .msg_iov = &iov, .msg_iovlen = 1, }; - int status; + int status, fd; if (addrlen > sizeof(lladdr.sll_addr)) return -1; @@ -72,7 +72,11 @@ int os_sendmsg(const uint8_t *buf, size_t len, int ifindex, const uint8_t *addr, lladdr.sll_halen = addrlen; memcpy(lladdr.sll_addr, addr, addrlen); - status = sendmsg(os_socket(), &msg, 0); + fd = os_socket(); + if (fd < 0) + return -1; + + status = sendmsg(fd, &msg, 0); if (status < 0) return -errno; |