diff options
| -rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1610e808ebe3..e8e8afa402f1 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1667,10 +1667,12 @@ static inline u32 ext4_chksum(struct ext4_sb_info *sbi, u32 crc, { struct { struct shash_desc shash; - char ctx[crypto_shash_descsize(sbi->s_chksum_driver)]; + char ctx[4]; } desc; int err; + BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver)!=sizeof(desc.ctx)); + desc.shash.tfm = sbi->s_chksum_driver; desc.shash.flags = 0; *(u32 *)desc.ctx = crc; |