1 files changed, 44 insertions, 0 deletions

diff --git a/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch b/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch
new file mode 100644
index 0000000000..44b25d164a
--- /dev/null
+++ b/meta/recipes-devtools/mtd/mtd-utils/fix-armv7-neon-alignment.patch
@@ -0,0 +1,44 @@
+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);
+ }
+
+ /**