diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 04a3dd8..8e61236 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -510,20 +510,20 @@
 	vdir = kmalloc(sizeof(*vdir), GFP_KERNEL);
 	if (!vdir) return -ENOMEM;
 
-	switch (coda_file->f_pos) {
-	case 0:
+	if (coda_file->f_pos == 0) {
 		ret = filldir(buf, ".", 1, 0, de->d_inode->i_ino, DT_DIR);
-		if (ret < 0) break;
+		if (ret < 0)
+			goto out;
 		result++;
 		coda_file->f_pos++;
-		/* fallthrough */
-	case 1:
+	}
+	if (coda_file->f_pos == 1) {
 		ret = filldir(buf, "..", 2, 1, de->d_parent->d_inode->i_ino, DT_DIR);
-		if (ret < 0) break;
+		if (ret < 0)
+			goto out;
 		result++;
 		coda_file->f_pos++;
-		/* fallthrough */
-	default:
+	}
 	while (1) {
 		/* read entries from the directory file */
 		ret = kernel_read(host_file, coda_file->f_pos - 2, (char *)vdir,
@@ -578,7 +578,7 @@
 		 * we've already established it is non-zero. */
 		coda_file->f_pos += vdir->d_reclen;
 	}
-	}
+out:
 	kfree(vdir);
 	return result ? result : ret;
 }
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index e4e766e..cd561d2 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -632,7 +632,7 @@
 /*
  * coda_upcall and coda_downcall routines.
  */
-static void block_signals(sigset_t *old)
+static void coda_block_signals(sigset_t *old)
 {
 	spin_lock_irq(&current->sighand->siglock);
 	*old = current->blocked;
@@ -646,7 +646,7 @@
 	spin_unlock_irq(&current->sighand->siglock);
 }
 
-static void unblock_signals(sigset_t *old)
+static void coda_unblock_signals(sigset_t *old)
 {
 	spin_lock_irq(&current->sighand->siglock);
 	current->blocked = *old;
@@ -672,7 +672,7 @@
 	sigset_t old;
 	int blocked;
 
-	block_signals(&old);
+	coda_block_signals(&old);
 	blocked = 1;
 
 	add_wait_queue(&req->uc_sleep, &wait);
@@ -689,7 +689,7 @@
 		if (blocked && time_after(jiffies, timeout) &&
 		    CODA_INTERRUPTIBLE(req))
 		{
-			unblock_signals(&old);
+			coda_unblock_signals(&old);
 			blocked = 0;
 		}
 
@@ -704,7 +704,7 @@
 			schedule();
 	}
 	if (blocked)
-		unblock_signals(&old);
+		coda_unblock_signals(&old);
 
 	remove_wait_queue(&req->uc_sleep, &wait);
 	set_current_state(TASK_RUNNING);
diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 632c05a..08a02e6 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -225,7 +225,7 @@
 	return max((tp->snd_cwnd * ca->beta) >> 7, 2U);
 }
 
-static void htcp_cong_avoid(struct sock *sk, u32 ack, s32 rtt,
+static void htcp_cong_avoid(struct sock *sk, u32 ack,
 			    u32 in_flight, int data_acked)
 {
 	struct tcp_sock *tp = tcp_sk(sk);