diff options
| -rw-r--r-- | utils/mount/stropts.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/utils/mount/stropts.c b/utils/mount/stropts.c index e277b3d..9d82bb1 100644 --- a/utils/mount/stropts.c +++ b/utils/mount/stropts.c @@ -130,12 +130,14 @@ static int nfs_append_generic_address_option(const struct sockaddr *sap, { char address[NI_MAXHOST]; char new_option[512]; + int len; if (!nfs_present_sockaddr(sap, salen, address, sizeof(address))) goto out_err; - if (snprintf(new_option, sizeof(new_option), "%s=%s", - keyword, address) >= sizeof(new_option)) + len = snprintf(new_option, sizeof(new_option), "%s=%s", + keyword, address); + if (len < 0 || (size_t)len >= sizeof(new_option)) goto out_err; if (po_append(options, new_option) != PO_SUCCEEDED) |