diff --git a/drivers/net/wireless/b43legacy/debugfs.c b/drivers/net/wireless/b43legacy/debugfs.c
index 03ce0821a60eb86e9f327675c9069bc1b64ecb1b..1f85ac569fec0065868fb4341971dfec9c83480f 100644
--- a/drivers/net/wireless/b43legacy/debugfs.c
+++ b/drivers/net/wireless/b43legacy/debugfs.c
@@ -211,7 +211,7 @@ static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf,
 	struct b43legacy_dfs_file *dfile;
 	ssize_t uninitialized_var(ret);
 	char *buf;
-	const size_t bufsize = 1024 * 128;
+	const size_t bufsize = 1024 * 16; /* 16 KiB buffer */
 	const size_t buforder = get_order(bufsize);
 	int err = 0;
 
diff --git a/drivers/net/wireless/b43legacy/phy.c b/drivers/net/wireless/b43legacy/phy.c
index 4c9442b16f3fb51ce9505ac5ac013d2d453d6f49..11319ec2d64a75d0788a3e6ea97357973b766da5 100644
--- a/drivers/net/wireless/b43legacy/phy.c
+++ b/drivers/net/wireless/b43legacy/phy.c
@@ -1296,12 +1296,10 @@ void b43legacy_lo_write(struct b43legacy_wldev *dev,
 	/* Sanity check. */
 	if (pair->low < -8 || pair->low > 8 ||
 	    pair->high < -8 || pair->high > 8) {
-		struct b43legacy_phy *phy = &dev->phy;
 		b43legacydbg(dev->wl,
 		       "WARNING: Writing invalid LOpair "
-		       "(low: %d, high: %d, index: %lu)\n",
-		       pair->low, pair->high,
-		       (unsigned long)(pair - phy->_lo_pairs));
+		       "(low: %d, high: %d)\n",
+		       pair->low, pair->high);
 		dump_stack();
 	}
 #endif