Build check errors found: 2016-10-07 - linux-merge - lists.open-mesh.org

7 Oct 2016


      Name of failed tests
====================
master
------
* checkpatch ./net/batman-adv/icmp_socket.c
 * checkpatch ./net/batman-adv/log.c
 * checkpatch ./net/batman-adv/log.h
 * checkpatch ./net/batman-adv/main.h
 * checkpatch ./net/batman-adv/network-coding.c
 * checkpatch ./net/batman-adv/packet.h
 * checkpatch ./net/batman-adv/sysfs.c
 * cppcheck
next
----
* checkpatch ./net/batman-adv/icmp_socket.c
 * checkpatch ./net/batman-adv/log.c
 * checkpatch ./net/batman-adv/log.h
 * checkpatch ./net/batman-adv/main.h
 * checkpatch ./net/batman-adv/network-coding.c
 * checkpatch ./net/batman-adv/packet.h
 * checkpatch ./net/batman-adv/sysfs.c
 * difference between net and batadv next
Output of different failed tests
================================
next: checkpatch ./net/batman-adv/icmp_socket.c
-----------------------------------------------
WARNING: Symbolic permissions are not preferred. Consider using octal permissions 0600.
    #325: FILE: ./net/batman-adv/icmp_socket.c:325:
    +	d = debugfs_create_file(BATADV_ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR,
total: 0 errors, 1 warnings, 0 checks, 407 lines checked
next: checkpatch ./net/batman-adv/log.c
---------------------------------------
WARNING: Symbolic permissions are not preferred. Consider using octal permissions 0400.
    #215: FILE: ./net/batman-adv/log.c:215:
    +	d = debugfs_create_file("log", S_IFREG | S_IRUSR,
total: 0 errors, 1 warnings, 0 checks, 231 lines checked
next: checkpatch ./net/batman-adv/log.h
---------------------------------------
CHECK: Macro argument reuse 'bat_priv' - possible side-effects?
    #74: FILE: ./net/batman-adv/log.h:74:
    +#define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...)	\
    +	do {							\
    +		if (atomic_read(&bat_priv->log_level) & type && \
    +		    (!ratelimited || net_ratelimit()))		\
    +			batadv_debug_log(bat_priv, fmt, ## arg);\
    +	}							\
    +	while (0)
CHECK: Macro argument 'bat_priv' may be better as '(bat_priv)' to avoid precedence issues
    #74: FILE: ./net/batman-adv/log.h:74:
    +#define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...)	\
    +	do {							\
    +		if (atomic_read(&bat_priv->log_level) & type && \
    +		    (!ratelimited || net_ratelimit()))		\
    +			batadv_debug_log(bat_priv, fmt, ## arg);\
    +	}							\
    +	while (0)
CHECK: Macro argument 'ratelimited' may be better as '(ratelimited)' to avoid precedence issues
    #74: FILE: ./net/batman-adv/log.h:74:
    +#define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...)	\
    +	do {							\
    +		if (atomic_read(&bat_priv->log_level) & type && \
    +		    (!ratelimited || net_ratelimit()))		\
    +			batadv_debug_log(bat_priv, fmt, ## arg);\
    +	}							\
    +	while (0)
CHECK: Macro argument reuse 'fmt' - possible side-effects?
    #96: FILE: ./net/batman-adv/log.h:96:
    +#define batadv_info(net_dev, fmt, arg...)				\
    +	do {								\
    +		struct net_device *_netdev = (net_dev);                 \
    +		struct batadv_priv *_batpriv = netdev_priv(_netdev);    \
    +		batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg);	\
    +		pr_info("%s: " fmt, _netdev->name, ## arg);		\
    +	} while (0)
CHECK: Macro argument reuse 'fmt' - possible side-effects?
    #103: FILE: ./net/batman-adv/log.h:103:
    +#define batadv_err(net_dev, fmt, arg...)				\
    +	do {								\
    +		struct net_device *_netdev = (net_dev);                 \
    +		struct batadv_priv *_batpriv = netdev_priv(_netdev);    \
    +		batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg);	\
    +		pr_err("%s: " fmt, _netdev->name, ## arg);		\
    +	} while (0)
total: 0 errors, 0 warnings, 5 checks, 111 lines checked
next: checkpatch ./net/batman-adv/main.h
----------------------------------------
CHECK: Macro argument reuse 'vid' - possible side-effects?
    #203: FILE: ./net/batman-adv/main.h:203:
    +#define BATADV_PRINT_VID(vid) ((vid & BATADV_VLAN_HAS_TAG) ? \
    +			       (int)(vid & VLAN_VID_MASK) : -1)
CHECK: Macro argument 'vid' may be better as '(vid)' to avoid precedence issues
    #203: FILE: ./net/batman-adv/main.h:203:
    +#define BATADV_PRINT_VID(vid) ((vid & BATADV_VLAN_HAS_TAG) ? \
    +			       (int)(vid & VLAN_VID_MASK) : -1)
total: 0 errors, 0 warnings, 2 checks, 316 lines checked
next: checkpatch ./net/batman-adv/network-coding.c
--------------------------------------------------
WARNING: Symbolic permissions are not preferred. Consider using octal permissions 0644.
    #1964: FILE: ./net/batman-adv/network-coding.c:1964:
    +	file = debugfs_create_u8("min_tq", S_IRUGO | S_IWUSR, nc_dir,
WARNING: Symbolic permissions are not preferred. Consider using octal permissions 0644.
    #1969: FILE: ./net/batman-adv/network-coding.c:1969:
    +	file = debugfs_create_u32("max_fwd_delay", S_IRUGO | S_IWUSR, nc_dir,
WARNING: Symbolic permissions are not preferred. Consider using octal permissions 0644.
    #1974: FILE: ./net/batman-adv/network-coding.c:1974:
    +	file = debugfs_create_u32("max_buffer_time", S_IRUGO | S_IWUSR, nc_dir,
total: 0 errors, 3 warnings, 0 checks, 1984 lines checked
next: checkpatch ./net/batman-adv/packet.h
------------------------------------------
CHECK: Macro argument 'n' may be better as '(n)' to avoid precedence issues
    #24: FILE: ./net/batman-adv/packet.h:24:
    +#define batadv_tp_is_error(n) ((u8)n > 127 ? 1 : 0)
total: 0 errors, 0 warnings, 1 checks, 631 lines checked
next: checkpatch ./net/batman-adv/sysfs.c
-----------------------------------------
CHECK: Macro argument reuse '_name' - possible side-effects?
    #174: FILE: ./net/batman-adv/sysfs.c:174:
    +#define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func)			\
    +	static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func)		\
    +	static BATADV_ATTR_SIF_SHOW_BOOL(_name)				\
    +	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
    +			   batadv_store_##_name)
CHECK: Macro argument '_var' may be better as '(_var)' to avoid precedence issues
    #180: FILE: ./net/batman-adv/sysfs.c:180:
    +#define BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)	\
    +ssize_t batadv_store_##_name(struct kobject *kobj,			\
    +			     struct attribute *attr, char *buff,	\
    +			     size_t count)				\
    +{									\
    +	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
    +	struct batadv_priv *bat_priv = netdev_priv(net_dev);		\
    +									\
    +	return __batadv_store_uint_attr(buff, count, _min, _max,	\
    +					_post_func, attr,		\
    +					&bat_priv->_var, net_dev);	\
    +}
CHECK: Macro argument '_var' may be better as '(_var)' to avoid precedence issues
    #193: FILE: ./net/batman-adv/sysfs.c:193:
    +#define BATADV_ATTR_SIF_SHOW_UINT(_name, _var)				\
    +ssize_t batadv_show_##_name(struct kobject *kobj,			\
    +			    struct attribute *attr, char *buff)		\
    +{									\
    +	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);	\
    +									\
    +	return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var));	\
    +}									\
    +
CHECK: Macro argument reuse '_name' - possible side-effects?
    #205: FILE: ./net/batman-adv/sysfs.c:205:
    +#define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
    +	static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\
    +	static BATADV_ATTR_SIF_SHOW_UINT(_name, _var)			\
    +	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
    +			   batadv_store_##_name)
CHECK: Macro argument reuse '_var' - possible side-effects?
    #205: FILE: ./net/batman-adv/sysfs.c:205:
    +#define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
    +	static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\
    +	static BATADV_ATTR_SIF_SHOW_UINT(_name, _var)			\
    +	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
    +			   batadv_store_##_name)
CHECK: Macro argument reuse '_name' - possible side-effects?
    #243: FILE: ./net/batman-adv/sysfs.c:243:
    +#define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func)			\
    +	static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func)		\
    +	static BATADV_ATTR_VLAN_SHOW_BOOL(_name)			\
    +	static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name,	\
    +				batadv_store_vlan_##_name)
CHECK: Macro argument '_var' may be better as '(_var)' to avoid precedence issues
    #249: FILE: ./net/batman-adv/sysfs.c:249:
    +#define BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, _max, _post_func)	\
    +ssize_t batadv_store_##_name(struct kobject *kobj,			\
    +			     struct attribute *attr, char *buff,	\
    +			     size_t count)				\
    +{									\
    +	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
    +	struct batadv_hard_iface *hard_iface;				\
    +	ssize_t length;							\
    +									\
    +	hard_iface = batadv_hardif_get_by_netdev(net_dev);		\
    +	if (!hard_iface)						\
    +		return 0;						\
    +									\
    +	length = __batadv_store_uint_attr(buff, count, _min, _max,	\
    +					  _post_func, attr,		\
    +					  &hard_iface->_var, net_dev);	\
    +									\
    +	batadv_hardif_put(hard_iface);				\
    +	return length;							\
    +}
CHECK: Macro argument '_var' may be better as '(_var)' to avoid precedence issues
    #270: FILE: ./net/batman-adv/sysfs.c:270:
    +#define BATADV_ATTR_HIF_SHOW_UINT(_name, _var)				\
    +ssize_t batadv_show_##_name(struct kobject *kobj,			\
    +			    struct attribute *attr, char *buff)		\
    +{									\
    +	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
    +	struct batadv_hard_iface *hard_iface;				\
    +	ssize_t length;							\
    +									\
    +	hard_iface = batadv_hardif_get_by_netdev(net_dev);		\
    +	if (!hard_iface)						\
    +		return 0;						\
    +									\
    +	length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_var));	\
    +									\
    +	batadv_hardif_put(hard_iface);				\
    +	return length;							\
    +}
CHECK: Macro argument reuse '_name' - possible side-effects?
    #291: FILE: ./net/batman-adv/sysfs.c:291:
    +#define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
    +	static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min,		\
    +					  _max, _post_func)		\
    +	static BATADV_ATTR_HIF_SHOW_UINT(_name, _var)			\
    +	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
    +			   batadv_store_##_name)
CHECK: Macro argument reuse '_var' - possible side-effects?
    #291: FILE: ./net/batman-adv/sysfs.c:291:
    +#define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
    +	static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min,		\
    +					  _max, _post_func)		\
    +	static BATADV_ATTR_HIF_SHOW_UINT(_name, _var)			\
    +	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
    +			   batadv_store_##_name)
total: 0 errors, 0 warnings, 10 checks, 1224 lines checked
master: cppcheck
----------------
[net/batman-adv/bat_v.c:790] -> [net/batman-adv/bat_v.c:796]: (style) Variable 'curr_gw' is reassigned a value before the old one has been used.
    [net/batman-adv/bat_v_ogm.c:404] -> [net/batman-adv/bat_v_ogm.c:411]: (style) Variable 'orig_ifinfo' is reassigned a value before the old one has been used.
    [net/batman-adv/bat_v_ogm.c:489] -> [net/batman-adv/bat_v_ogm.c:498]: (style) Variable 'orig_neigh_node' is reassigned a value before the old one has been used.
    [net/batman-adv/gateway_client.c:707] -> [net/batman-adv/gateway_client.c:718]: (style) Variable 'orig_dst_node' is reassigned a value before the old one has been used.
    [net/batman-adv/originator.c:367] -> [net/batman-adv/originator.c:372]: (style) Variable 'orig_ifinfo' is reassigned a value before the old one has been used.
    [net/batman-adv/originator.c:523] -> [net/batman-adv/originator.c:528]: (style) Variable 'hardif_neigh' is reassigned a value before the old one has been used.
    [net/batman-adv/originator.c:566] -> [net/batman-adv/originator.c:569]: (style) Variable 'hardif_neigh' is reassigned a value before the old one has been used.
    [net/batman-adv/originator.c:686] -> [net/batman-adv/originator.c:689]: (style) Variable 'neigh_node' is reassigned a value before the old one has been used.
    [net/batman-adv/send.c:565] -> [net/batman-adv/send.c:570]: (style) Variable 'primary_if' is reassigned a value before the old one has been used.
next: difference between net and batadv next
--------------------------------------------
netnext/net/batman-adv/netlink.c |    4 ++--
     1 file changed, 2 insertions(+), 2 deletions(-)
Statistics
==========
master
------
Failed tests:                 8
Started build tests:        118
Tested Linux versions:       26
Tested configs:              80
next
----
Failed tests:                 8
Started build tests:        116
Tested Linux versions:       26
Tested configs:              78