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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-12-28 13:05:36 +0100
committerJeff Garzik <jeff@garzik.org>2007-01-07 22:46:21 -0500
commit3a6b95c81c522d9dbd36b33d33b08e66c87a6088 (patch)
treea3e3f99a6908e0dab04e5a05ae24ef71582f27e7
parent11897539a967059a817175ea57ad586a1faadd80 (diff)
qeth: fix uaccess handling and get rid of unused variable
[patch] qeth: fix uaccess handling and get rid of unused variable drivers/s390/net/qeth_main.c: In function `qeth_process_inbound_buffer': drivers/s390/net/qeth_main.c:2563: warning: unused variable `vlan_addr' include/asm/uaccess.h: In function `qeth_do_ioctl': drivers/s390/net/qeth_main.c:4847: warning: ignoring return value of `copy_to_user' drivers/s390/net/qeth_main.c:4849: warning: ignoring return value of `copy_to_user' drivers/s390/net/qeth_main.c:4996: warning: ignoring return value of `copy_to_user' Cc: Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/s390/net/qeth_main.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 2bde4f1fb9c..f17d7cfb420 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -2560,7 +2560,6 @@ qeth_process_inbound_buffer(struct qeth_card *card,
int offset;
int rxrc;
__u16 vlan_tag = 0;
- __u16 *vlan_addr;
/* get first element of current buffer */
element = (struct qdio_buffer_element *)&buf->buffer->element[0];
@@ -4844,9 +4843,11 @@ qeth_arp_query(struct qeth_card *card, char __user *udata)
"(0x%x/%d)\n",
QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc),
tmp, tmp);
- copy_to_user(udata, qinfo.udata, 4);
+ if (copy_to_user(udata, qinfo.udata, 4))
+ rc = -EFAULT;
} else {
- copy_to_user(udata, qinfo.udata, qinfo.udata_len);
+ if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
+ rc = -EFAULT;
}
kfree(qinfo.udata);
return rc;
@@ -4992,8 +4993,10 @@ qeth_snmp_command(struct qeth_card *card, char __user *udata)
if (rc)
PRINT_WARN("SNMP command failed on %s: (0x%x)\n",
QETH_CARD_IFNAME(card), rc);
- else
- copy_to_user(udata, qinfo.udata, qinfo.udata_len);
+ else {
+ if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
+ rc = -EFAULT;
+ }
kfree(ureq);
kfree(qinfo.udata);