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