--- /dev/null
+Upstream-Status: Pending
+
+NEON instruction VLD1.64 was used to copy 64 bits data after type
+casting, and they will trigger alignment trap.
+This patch uses memcpy to avoid alignment problem.
+
+Signed-off-by: Yuanjie Huang <Yuanjie.Huang@windriver.com>
+
+diff --git a/mkfs.ubifs/key.h b/mkfs.ubifs/key.h
+index d3a02d4..e7e9218 100644
+--- a/mkfs.ubifs/key.h
++++ b/mkfs.ubifs/key.h
+@@ -141,10 +141,12 @@ static inline void data_key_init(union ubifs_key *key, ino_t inum,
+ */
+ static inline void key_write(const union ubifs_key *from, void *to)
+ {
+- union ubifs_key *t = to;
++ __le32 x[2];
+
+- t->j32[0] = cpu_to_le32(from->u32[0]);
+- t->j32[1] = cpu_to_le32(from->u32[1]);
++ x[0] = cpu_to_le32(from->u32[0]);
++ x[1] = cpu_to_le32(from->u32[1]);
++
++ memcpy(to, &x, 8);
+ memset(to + 8, 0, UBIFS_MAX_KEY_LEN - 8);
+ }
+
+@@ -156,10 +158,12 @@ static inline void key_write(const union ubifs_key *from, void *to)
+ */
+ static inline void key_write_idx(const union ubifs_key *from, void *to)
+ {
+- union ubifs_key *t = to;
++ __le32 x[2];
++
++ x[0] = cpu_to_le32(from->u32[0]);
++ x[1] = cpu_to_le32(from->u32[1]);
+
+- t->j32[0] = cpu_to_le32(from->u32[0]);
+- t->j32[1] = cpu_to_le32(from->u32[1]);
++ memcpy(to, &x, 8);
+ }
+
+ /**
