all: s/int/size_t cleanup

Assisted-by: Rikard Falkeborn

Closes #2922

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/smb.c b/lib/smb.c
index 32f0ac889..e4b18fcf5 100644
--- a/lib/smb.c
+++ b/lib/smb.c
@@ -610,8 +610,8 @@ static CURLcode smb_send_and_recv(struct connectdata *conn, void **msg)
 
   /* Check if there is data in the transfer buffer */
   if(!smbc->send_size && smbc->upload_size) {
-    int nread = smbc->upload_size > UPLOAD_BUFSIZE ? UPLOAD_BUFSIZE :
-      (int) smbc->upload_size;
+    size_t nread = smbc->upload_size > UPLOAD_BUFSIZE ? UPLOAD_BUFSIZE :
+      smbc->upload_size;
     conn->data->req.upload_fromhere = conn->data->state.ulbuf;
     result = Curl_fillreadbuffer(conn, nread, &nread);
     if(result && result != CURLE_AGAIN)