diff options
Diffstat (limited to 'fs/ext4/symlink.c')
| -rw-r--r-- | fs/ext4/symlink.c | 19 | 
1 files changed, 3 insertions, 16 deletions
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index 4d83d9e05f2e..557b3b0d668c 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -30,7 +30,6 @@ static const char *ext4_encrypted_get_link(struct dentry *dentry,  	char *caddr, *paddr = NULL;  	struct fscrypt_str cstr, pstr;  	struct fscrypt_symlink_data *sd; -	loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1);  	int res;  	u32 max_size = inode->i_sb->s_blocksize; @@ -49,7 +48,6 @@ static const char *ext4_encrypted_get_link(struct dentry *dentry,  		if (IS_ERR(cpage))  			return ERR_CAST(cpage);  		caddr = page_address(cpage); -		caddr[size] = 0;  	}  	/* Symlink is encrypted */ @@ -65,16 +63,14 @@ static const char *ext4_encrypted_get_link(struct dentry *dentry,  	res = fscrypt_fname_alloc_buffer(inode, cstr.len, &pstr);  	if (res)  		goto errout; +	paddr = pstr.name;  	res = fscrypt_fname_disk_to_usr(inode, 0, 0, &cstr, &pstr); -	if (res < 0) +	if (res)  		goto errout; -	paddr = pstr.name; -  	/* Null-terminate the name */ -	if (res <= pstr.len) -		paddr[res] = '\0'; +	paddr[pstr.len] = '\0';  	if (cpage)  		put_page(cpage);  	set_delayed_call(done, kfree_link, paddr); @@ -90,28 +86,19 @@ const struct inode_operations ext4_encrypted_symlink_inode_operations = {  	.readlink	= generic_readlink,  	.get_link	= ext4_encrypted_get_link,  	.setattr	= ext4_setattr, -	.setxattr	= generic_setxattr, -	.getxattr	= generic_getxattr,  	.listxattr	= ext4_listxattr, -	.removexattr	= generic_removexattr,  };  const struct inode_operations ext4_symlink_inode_operations = {  	.readlink	= generic_readlink,  	.get_link	= page_get_link,  	.setattr	= ext4_setattr, -	.setxattr	= generic_setxattr, -	.getxattr	= generic_getxattr,  	.listxattr	= ext4_listxattr, -	.removexattr	= generic_removexattr,  };  const struct inode_operations ext4_fast_symlink_inode_operations = {  	.readlink	= generic_readlink,  	.get_link	= simple_get_link,  	.setattr	= ext4_setattr, -	.setxattr	= generic_setxattr, -	.getxattr	= generic_getxattr,  	.listxattr	= ext4_listxattr, -	.removexattr	= generic_removexattr,  };  |