diff options
| author | Ursula Braun <ursula.braun@de.ibm.com> | 2010-01-11 02:50:50 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-13 20:34:55 -0800 |
| commit | 76b11f8e270f04851774ff64b16e29e5a43d3a1a (patch) | |
| tree | d4e7666c766bd1fba5ef2219717f302faf3a21bf /drivers/s390/net/qeth_core_sys.c | |
| parent | ab8932f3e8e07df92d6ce3fa41f5af0dda865429 (diff) | |
qeth: HiperSockets Network Traffic Analyzer
New feature to trace HiperSockets network traffic for debugging
purposes.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_core_sys.c')
| -rw-r--r-- | drivers/s390/net/qeth_core_sys.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c index 9ff2b36fdc43..ac2239a4f133 100644 --- a/drivers/s390/net/qeth_core_sys.c +++ b/drivers/s390/net/qeth_core_sys.c @@ -118,7 +118,7 @@ static ssize_t qeth_dev_portno_store(struct device *dev, { struct qeth_card *card = dev_get_drvdata(dev); char *tmp; - unsigned int portno; + unsigned int portno, limit; if (!card) return -EINVAL; @@ -128,9 +128,11 @@ static ssize_t qeth_dev_portno_store(struct device *dev, return -EPERM; portno = simple_strtoul(buf, &tmp, 16); - if (portno > QETH_MAX_PORTNO) { + if (portno > QETH_MAX_PORTNO) + return -EINVAL; + limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt); + if (portno > limit) return -EINVAL; - } card->info.portno = portno; return count; |