---

yaml --- r: 296520 b: refs/heads/master c: f42299e h: refs/heads/master v: v3
git-mirror · Mar 22, 2012 · 999d7bc · 999d7bc
1 parent 16c4c4f
commit 999d7bc
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Showing 2 changed files with 13 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fe3ad593e2c34457ffa6233014ab19f4d36f85f2
+refs/heads/master: f42299e6c3883c69c14079b8c88fe33815b2dcc3
diff --git a/trunk/net/ceph/messenger.c b/trunk/net/ceph/messenger.c
@@ -747,17 +747,18 @@ static int write_partial_kvec(struct ceph_connection *con)
 		con->out_kvec_bytes -= ret;
 		if (con->out_kvec_bytes == 0)
 			break;            /* done */
-		while (ret > 0) {
-			if (ret >= con->out_kvec_cur->iov_len) {
-				ret -= con->out_kvec_cur->iov_len;
-				con->out_kvec_cur++;
-				con->out_kvec_left--;
-			} else {
-				con->out_kvec_cur->iov_len -= ret;
-				con->out_kvec_cur->iov_base += ret;
-				ret = 0;
-				break;
-			}
+
+		/* account for full iov entries consumed */
+		while (ret >= con->out_kvec_cur->iov_len) {
+			BUG_ON(!con->out_kvec_left);
+			ret -= con->out_kvec_cur->iov_len;
+			con->out_kvec_cur++;
+			con->out_kvec_left--;
+		}
+		/* and for a partially-consumed entry */
+		if (ret) {
+			con->out_kvec_cur->iov_len -= ret;
+			con->out_kvec_cur->iov_base += ret;
 		}
 	}
 	con->out_kvec_left = 0;