1 files changed, 4 insertions, 4 deletions

diff --git a/lib/oid_registry.c b/lib/oid_registry.c
index 41b9e50711a7..5a75d127995d 100644
--- a/lib/oid_registry.c
+++ b/lib/oid_registry.c
@@ -120,10 +120,10 @@ int sprint_oid(const void *data, size_t datasize, char *buffer, size_t bufsize)
 
         n = *v++;
         ret = count = snprintf(buffer, bufsize, "%u.%u", n / 40, n % 40);
+        if (count >= bufsize)
+                return -ENOBUFS;
         buffer += count;
         bufsize -= count;
-        if (bufsize == 0)
-                return -ENOBUFS;
 
         while (v < end) {
                 num = 0;
@@ -141,9 +141,9 @@ int sprint_oid(const void *data, size_t datasize, char *buffer, size_t bufsize)
                         } while (n & 0x80);
                 }
                 ret += count = snprintf(buffer, bufsize, ".%lu", num);
-                buffer += count;
-                if (bufsize <= count)
+                if (count >= bufsize)
                         return -ENOBUFS;
+                buffer += count;
                 bufsize -= count;
         }