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path: root/drivers/s390/net/qeth_core_sys.c
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Diffstat (limited to 'drivers/s390/net/qeth_core_sys.c')
-rw-r--r--drivers/s390/net/qeth_core_sys.c80
1 files changed, 4 insertions, 76 deletions
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 9f392497d570..e81170ab6d9a 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -20,8 +20,6 @@ static ssize_t qeth_dev_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
switch (card->state) {
case CARD_STATE_DOWN:
@@ -45,8 +43,6 @@ static ssize_t qeth_dev_chpid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
return sprintf(buf, "%02X\n", card->info.chpid);
}
@@ -57,8 +53,7 @@ static ssize_t qeth_dev_if_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
+
return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
}
@@ -68,8 +63,6 @@ static ssize_t qeth_dev_card_type_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
}
@@ -94,8 +87,6 @@ static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
}
@@ -106,8 +97,6 @@ static ssize_t qeth_dev_portno_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
return sprintf(buf, "%i\n", card->dev->dev_port);
}
@@ -120,9 +109,6 @@ static ssize_t qeth_dev_portno_store(struct device *dev,
unsigned int portno, limit;
int rc = 0;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->conf_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
@@ -171,9 +157,6 @@ static ssize_t qeth_dev_prioqing_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
-
switch (card->qdio.do_prio_queueing) {
case QETH_PRIO_Q_ING_PREC:
return sprintf(buf, "%s\n", "by precedence");
@@ -195,9 +178,6 @@ static ssize_t qeth_dev_prioqing_store(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
int rc = 0;
- if (!card)
- return -EINVAL;
-
if (IS_IQD(card))
return -EOPNOTSUPP;
@@ -262,9 +242,6 @@ static ssize_t qeth_dev_bufcnt_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
-
return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
}
@@ -276,9 +253,6 @@ static ssize_t qeth_dev_bufcnt_store(struct device *dev,
int cnt, old_cnt;
int rc = 0;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->conf_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
@@ -307,9 +281,6 @@ static ssize_t qeth_dev_recover_store(struct device *dev,
char *tmp;
int i;
- if (!card)
- return -EINVAL;
-
if (!qeth_card_hw_is_reachable(card))
return -EPERM;
@@ -325,11 +296,6 @@ static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
static ssize_t qeth_dev_performance_stats_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct qeth_card *card = dev_get_drvdata(dev);
-
- if (!card)
- return -EINVAL;
-
return sprintf(buf, "1\n");
}
@@ -342,9 +308,6 @@ static ssize_t qeth_dev_performance_stats_store(struct device *dev,
bool reset;
int rc;
- if (!card)
- return -EINVAL;
-
rc = kstrtobool(buf, &reset);
if (rc)
return rc;
@@ -370,9 +333,6 @@ static ssize_t qeth_dev_layer2_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
-
return sprintf(buf, "%i\n", card->options.layer);
}
@@ -385,9 +345,6 @@ static ssize_t qeth_dev_layer2_store(struct device *dev,
int i, rc = 0;
enum qeth_discipline_id newdis;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->discipline_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
@@ -453,9 +410,6 @@ static ssize_t qeth_dev_isolation_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
-
switch (card->options.isolation) {
case ISOLATION_MODE_NONE:
return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
@@ -475,9 +429,6 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
enum qeth_ipa_isolation_modes isolation;
int rc = 0;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->conf_mutex);
if (!IS_OSD(card) && !IS_OSX(card)) {
rc = -EOPNOTSUPP;
@@ -522,9 +473,6 @@ static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
struct qeth_switch_info sw_info;
int rc = 0;
- if (!card)
- return -EINVAL;
-
if (!qeth_card_hw_is_reachable(card))
return sprintf(buf, "n/a\n");
@@ -555,8 +503,6 @@ static ssize_t qeth_hw_trap_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (!card)
- return -EINVAL;
if (card->info.hwtrap)
return snprintf(buf, 5, "arm\n");
else
@@ -570,9 +516,6 @@ static ssize_t qeth_hw_trap_store(struct device *dev,
int rc = 0;
int state = 0;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->conf_mutex);
if (qeth_card_hw_is_reachable(card))
state = 1;
@@ -607,24 +550,12 @@ static ssize_t qeth_hw_trap_store(struct device *dev,
static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
qeth_hw_trap_store);
-static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
-{
-
- if (!card)
- return -EINVAL;
-
- return sprintf(buf, "%i\n", value);
-}
-
static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
const char *buf, size_t count, int *value, int max_value)
{
char *tmp;
int i, rc = 0;
- if (!card)
- return -EINVAL;
-
mutex_lock(&card->conf_mutex);
if (card->state != CARD_STATE_DOWN) {
rc = -EPERM;
@@ -645,7 +576,7 @@ static ssize_t qeth_dev_blkt_total_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
+ return sprintf(buf, "%i\n", card->info.blkt.time_total);
}
static ssize_t qeth_dev_blkt_total_store(struct device *dev,
@@ -657,8 +588,6 @@ static ssize_t qeth_dev_blkt_total_store(struct device *dev,
&card->info.blkt.time_total, 5000);
}
-
-
static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
qeth_dev_blkt_total_store);
@@ -667,7 +596,7 @@ static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
+ return sprintf(buf, "%i\n", card->info.blkt.inter_packet);
}
static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
@@ -687,8 +616,7 @@ static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- return qeth_dev_blkt_show(buf, card,
- card->info.blkt.inter_packet_jumbo);
+ return sprintf(buf, "%i\n", card->info.blkt.inter_packet_jumbo);
}
static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
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