diff options
| author | Yuanjie Huang <Yuanjie.Huang@windriver.com> | 2017-03-02 10:43:56 +0100 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2017-03-02 10:43:56 +0100 |
| commit | 7d026a85946a08b8167dcd792ea6660bf6a49e08 (patch) | |
| tree | e5679d9197ceced8d7fa488c34b1d34e6b317552 | |
| parent | d7e86124d55bbcee1b82c68b82389ebcda588076 (diff) | |
Fix alignment trap triggered by NEON instructions
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>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
| -rw-r--r-- | ubifs-utils/mkfs.ubifs/key.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/ubifs-utils/mkfs.ubifs/key.h b/ubifs-utils/mkfs.ubifs/key.h index 39379fd..118858b 100644 --- a/ubifs-utils/mkfs.ubifs/key.h +++ b/ubifs-utils/mkfs.ubifs/key.h @@ -159,10 +159,12 @@ 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); } @@ -174,10 +176,12 @@ 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); } /** |