From 54be288ec74ca998835e429132755be102c457af Mon Sep 17 00:00:00 2001
From: Paul Keith <javelinanddart@gmail.com>
Date: Mon, 19 Feb 2018 18:04:06 +0100
Subject: [PATCH] sdfat: Fix compilation on Linux 3.4

---
 sdfat.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sdfat.c b/sdfat.c
index 49bc22f..060418b 100644
--- a/sdfat.c
+++ b/sdfat.c
@@ -2423,7 +2423,11 @@ static struct dentry *__sdfat_lookup(struct inode *dir, struct dentry *dentry)
 		 * In such case, we reuse an alias instead of new dentry
 		 */
 		if (d_unhashed(alias)) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
+			BUG_ON(alias->d_name.hash != dentry->d_name.hash && alias->d_name.len != dentry->d_name.len);
+#else
 			BUG_ON(alias->d_name.hash_len != dentry->d_name.hash_len);
+#endif
 			sdfat_msg(sb, KERN_INFO, "rehashed a dentry(%p) "
 				"in read lookup", alias);
 			d_drop(dentry);