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authorDavid S. Miller <davem@davemloft.net>2015-09-26 23:08:27 (GMT)
committerDavid S. Miller <davem@davemloft.net>2015-09-26 23:08:27 (GMT)
commit4963ed48f2c20196d51a447ee87dc2815584fee4 (patch)
treea1902f466dafa00453889a4f1e66b00249ce0529 /drivers/staging/rdma/hfi1/diag.c
parent4d54d86546f62c7c4a0fe3b36a64c5e3b98ce1a9 (diff)
parent518a7cb6980cd640c7f979d29021ad870f60d7d7 (diff)
downloadlinux-4963ed48f2c20196d51a447ee87dc2815584fee4.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: net/ipv4/arp.c The net/ipv4/arp.c conflict was one commit adding a new local variable while another commit was deleting one. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/staging/rdma/hfi1/diag.c')
-rw-r--r--drivers/staging/rdma/hfi1/diag.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/staging/rdma/hfi1/diag.c b/drivers/staging/rdma/hfi1/diag.c
index 6777d6b..3e8d5ac 100644
--- a/drivers/staging/rdma/hfi1/diag.c
+++ b/drivers/staging/rdma/hfi1/diag.c
@@ -292,7 +292,7 @@ int hfi1_diag_add(struct hfi1_devdata *dd)
if (atomic_inc_return(&diagpkt_count) == 1) {
ret = hfi1_cdev_init(HFI1_DIAGPKT_MINOR, name,
&diagpkt_file_ops, &diagpkt_cdev,
- &diagpkt_device);
+ &diagpkt_device, false);
}
return ret;
@@ -592,7 +592,8 @@ static int hfi1_snoop_add(struct hfi1_devdata *dd, const char *name)
ret = hfi1_cdev_init(HFI1_SNOOP_CAPTURE_BASE + dd->unit, name,
&snoop_file_ops,
- &dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev);
+ &dd->hfi1_snoop.cdev, &dd->hfi1_snoop.class_dev,
+ false);
if (ret) {
dd_dev_err(dd, "Couldn't create %s device: %d", name, ret);
@@ -1012,11 +1013,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
case HFI1_SNOOP_IOCSETLINKSTATE_EXTRA:
memset(&link_info, 0, sizeof(link_info));
- ret = copy_from_user(&link_info,
+ if (copy_from_user(&link_info,
(struct hfi1_link_info __user *)arg,
- sizeof(link_info));
- if (ret)
- break;
+ sizeof(link_info)))
+ ret = -EFAULT;
value = link_info.port_state;
index = link_info.port_number;
@@ -1080,9 +1080,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
case HFI1_SNOOP_IOCGETLINKSTATE_EXTRA:
if (cmd == HFI1_SNOOP_IOCGETLINKSTATE_EXTRA) {
memset(&link_info, 0, sizeof(link_info));
- ret = copy_from_user(&link_info,
+ if (copy_from_user(&link_info,
(struct hfi1_link_info __user *)arg,
- sizeof(link_info));
+ sizeof(link_info)))
+ ret = -EFAULT;
index = link_info.port_number;
} else {
ret = __get_user(index, (int __user *) arg);
@@ -1114,9 +1115,10 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
ppd->link_speed_active;
link_info.link_width_active =
ppd->link_width_active;
- ret = copy_to_user(
+ if (copy_to_user(
(struct hfi1_link_info __user *)arg,
- &link_info, sizeof(link_info));
+ &link_info, sizeof(link_info)))
+ ret = -EFAULT;
} else {
ret = __put_user(value, (int __user *)arg);
}
@@ -1142,10 +1144,9 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
snoop_dbg("Setting filter");
/* just copy command structure */
argp = (unsigned long *)arg;
- ret = copy_from_user(&filter_cmd, (void __user *)argp,
- sizeof(filter_cmd));
- if (ret < 0) {
- pr_alert("Error copying filter command\n");
+ if (copy_from_user(&filter_cmd, (void __user *)argp,
+ sizeof(filter_cmd))) {
+ ret = -EFAULT;
break;
}
if (filter_cmd.opcode >= HFI1_MAX_FILTERS) {
@@ -1167,12 +1168,11 @@ static long hfi1_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
break;
}
/* copy remaining data from userspace */
- ret = copy_from_user((u8 *)filter_value,
+ if (copy_from_user((u8 *)filter_value,
(void __user *)filter_cmd.value_ptr,
- filter_cmd.length);
- if (ret < 0) {
+ filter_cmd.length)) {
kfree(filter_value);
- pr_alert("Error copying filter data\n");
+ ret = -EFAULT;
break;
}
/* Drain packets first */