diff options
| -rw-r--r-- | fs/affs/super.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c index 8765cba35bb9..5200f4938df0 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -271,6 +271,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) int reserved; unsigned long mount_flags; int tmp_flags; /* fix remount prototype... */ + u8 sig[4]; pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options"); @@ -370,8 +371,9 @@ got_root: printk(KERN_ERR "AFFS: Cannot read boot block\n"); goto out_error; } - chksum = be32_to_cpu(*(__be32 *)boot_bh->b_data); + memcpy(sig, boot_bh->b_data, 4); brelse(boot_bh); + chksum = be32_to_cpu(*(__be32 *)sig); /* Dircache filesystems are compatible with non-dircache ones * when reading. As long as they aren't supported, writing is @@ -420,11 +422,11 @@ got_root: } if (mount_flags & SF_VERBOSE) { - chksum = cpu_to_be32(chksum); - printk(KERN_NOTICE "AFFS: Mounting volume \"%*s\": Type=%.3s\\%c, Blocksize=%d\n", - AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0], + u8 len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0]; + printk(KERN_NOTICE "AFFS: Mounting volume \"%.*s\": Type=%.3s\\%c, Blocksize=%d\n", + len > 31 ? 31 : len, AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1, - (char *)&chksum,((char *)&chksum)[3] + '0',blocksize); + sig, sig[3] + '0', blocksize); } sb->s_flags |= MS_NODEV | MS_NOSUID; |