diff options
Diffstat (limited to 'drivers/s390/net/qeth_l3_sys.c')
-rw-r--r-- | drivers/s390/net/qeth_l3_sys.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 05fa986e30fc..351763ae9b9c 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -407,10 +407,9 @@ static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev, } static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto, - u8 *addr, int *mask_bits) + u8 *addr, unsigned int *mask_bits) { - const char *start; - char *sep, *tmp; + char *sep; int rc; /* Expected input pattern: %addr/%mask */ @@ -424,13 +423,13 @@ static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto, if (rc) return rc; - start = sep + 1; - *mask_bits = simple_strtoul(start, &tmp, 10); - if (!strlen(start) || - (tmp == start) || - (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) { + rc = kstrtouint(sep + 1, 10, mask_bits); + if (rc) + return rc; + + if (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128)) return -EINVAL; - } + return 0; } @@ -438,8 +437,8 @@ static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { struct qeth_ipato_entry *ipatoe; + unsigned int mask_bits; u8 addr[16]; - int mask_bits; int rc = 0; rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits); @@ -476,8 +475,8 @@ static QETH_DEVICE_ATTR(ipato_add4, add4, 0644, static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count, struct qeth_card *card, enum qeth_prot_versions proto) { + unsigned int mask_bits; u8 addr[16]; - int mask_bits; int rc = 0; rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits); |