diff options
Diffstat (limited to 'drivers/s390/net/lcs.c')
| -rw-r--r-- | drivers/s390/net/lcs.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index c461f2aac61..0a7d87c372b 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -1943,14 +1943,16 @@ static ssize_t lcs_portno_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct lcs_card *card; - int value; + int value, rc; card = dev_get_drvdata(dev); if (!card) return 0; - sscanf(buf, "%u", &value); + rc = sscanf(buf, "%d", &value); + if (rc != 1) + return -EINVAL; /* TODO: sanity checks */ card->portno = value; @@ -1997,14 +1999,17 @@ static ssize_t lcs_timeout_store (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct lcs_card *card; - int value; + unsigned int value; + int rc; card = dev_get_drvdata(dev); if (!card) return 0; - sscanf(buf, "%u", &value); + rc = sscanf(buf, "%u", &value); + if (rc != 1) + return -EINVAL; /* TODO: sanity checks */ card->lancmd_timeout = value; @@ -2442,7 +2447,7 @@ __init lcs_init_module(void) if (rc) goto out_err; lcs_root_dev = root_device_register("lcs"); - rc = PTR_RET(lcs_root_dev); + rc = PTR_ERR_OR_ZERO(lcs_root_dev); if (rc) goto register_err; rc = ccw_driver_register(&lcs_ccw_driver); |