[PATCH 2/7] net/core: Document all dev_ioctl() arguments

[Bart Van Assche <bvanassche@acm.org>]

This patch avoids that the following warnings are reported when building
with W=1:

net/core/dev_ioctl.c:378: warning: Function parameter or member 'ifr' not described in 'dev_ioctl'
net/core/dev_ioctl.c:378: warning: Function parameter or member 'need_copyout' not described in 'dev_ioctl'
net/core/dev_ioctl.c:378: warning: Excess function parameter 'arg' description in 'dev_ioctl'

Cc: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 44c02a2c3dc5 ("dev_ioctl(): move copyin/copyout to callers") # v4.16.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 net/core/dev_ioctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 31380fd5a4e2..5163d900bb4f 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -366,7 +366,8 @@ EXPORT_SYMBOL(dev_load);
  *	dev_ioctl	-	network device ioctl
  *	@net: the applicable net namespace
  *	@cmd: command to issue
- *	@arg: pointer to a struct ifreq in user space
+ *	@ifr: pointer to a struct ifreq in user space
+ *	@need_copyout: whether or not copy_to_user() should be called
  *
  *	Issue ioctl functions to devices. This is normally called by the
  *	user space syscall interfaces but can sometimes be useful for
-- 
2.21.0.155.ge902e9bcae20