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[PATCH] fix %s in affs_fill_super()

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%s is only valid if array is known to contain NUL or precision is given and
does not exceed the size of array.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-06-25 05:49:08 -07:00 committed by Linus Torvalds
parent f82ccdb992
commit 2b943cf09d
1 changed files with 7 additions and 5 deletions
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12
fs/affs/super.c
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@ -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;