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) | |||
271 | int reserved; | 271 | int reserved; |
272 | unsigned long mount_flags; | 272 | unsigned long mount_flags; |
273 | int tmp_flags; /* fix remount prototype... */ | 273 | int tmp_flags; /* fix remount prototype... */ |
274 | u8 sig[4]; | ||
274 | 275 | ||
275 | pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options"); | 276 | pr_debug("AFFS: read_super(%s)\n",data ? (const char *)data : "no options"); |
276 | 277 | ||
@@ -370,8 +371,9 @@ got_root: | |||
370 | printk(KERN_ERR "AFFS: Cannot read boot block\n"); | 371 | printk(KERN_ERR "AFFS: Cannot read boot block\n"); |
371 | goto out_error; | 372 | goto out_error; |
372 | } | 373 | } |
373 | chksum = be32_to_cpu(*(__be32 *)boot_bh->b_data); | 374 | memcpy(sig, boot_bh->b_data, 4); |
374 | brelse(boot_bh); | 375 | brelse(boot_bh); |
376 | chksum = be32_to_cpu(*(__be32 *)sig); | ||
375 | 377 | ||
376 | /* Dircache filesystems are compatible with non-dircache ones | 378 | /* Dircache filesystems are compatible with non-dircache ones |
377 | * when reading. As long as they aren't supported, writing is | 379 | * when reading. As long as they aren't supported, writing is |
@@ -420,11 +422,11 @@ got_root: | |||
420 | } | 422 | } |
421 | 423 | ||
422 | if (mount_flags & SF_VERBOSE) { | 424 | if (mount_flags & SF_VERBOSE) { |
423 | chksum = cpu_to_be32(chksum); | 425 | u8 len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0]; |
424 | printk(KERN_NOTICE "AFFS: Mounting volume \"%*s\": Type=%.3s\\%c, Blocksize=%d\n", | 426 | printk(KERN_NOTICE "AFFS: Mounting volume \"%.*s\": Type=%.3s\\%c, Blocksize=%d\n", |
425 | AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0], | 427 | len > 31 ? 31 : len, |
426 | AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1, | 428 | AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1, |
427 | (char *)&chksum,((char *)&chksum)[3] + '0',blocksize); | 429 | sig, sig[3] + '0', blocksize); |
428 | } | 430 | } |
429 | 431 | ||
430 | sb->s_flags |= MS_NODEV | MS_NOSUID; | 432 | sb->s_flags |= MS_NODEV | MS_NOSUID; |