xiaomi-sm8450/android_kernel_xiaomi_sm8450
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s390/qeth: improve error reporting on IP add/removal

Ver código fonte 
When adding & removing IP entries for rxip/vipa/ipato/hsuid, forward any
resulting errors back to the sysfs-level caller.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Esse commit está contido em:
Julian Wiedmann
2017-12-27 17:44:28 +01:00
commit de David S. Miller
pai e0b10844d9
commit b9ea525012
3 arquivos alterados com 35 adições e 25 exclusões
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12
drivers/s390/net/qeth_l3_sys.c
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@@ -274,7 +274,7 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
struct qeth_ipaddr *addr;
char *tmp;
int i;
int rc, i;
if (!card)
return -EINVAL;
@@ -343,11 +343,11 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
return -ENOMEM;
spin_lock_bh(&card->ip_lock);
qeth_l3_add_ip(card, addr);
rc = qeth_l3_add_ip(card, addr);
spin_unlock_bh(&card->ip_lock);
kfree(addr);
return count;
return rc ? rc : count;
}
static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
@@ -585,7 +585,7 @@ static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
if (!rc)
qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
rc = qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
@@ -796,7 +796,7 @@ static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_vipae(buf, proto, addr);
if (!rc)
qeth_l3_del_vipa(card, proto, addr);
rc = qeth_l3_del_vipa(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}
@@ -976,7 +976,7 @@ static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
mutex_lock(&card->conf_mutex);
rc = qeth_l3_parse_rxipe(buf, proto, addr);
if (!rc)
qeth_l3_del_rxip(card, proto, addr);
rc = qeth_l3_del_rxip(card, proto, addr);
mutex_unlock(&card->conf_mutex);
return rc ? rc : count;
}