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net/core: Document all dev_ioctl() arguments 

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: 44c02a2c3d ("dev_ioctl(): move copyin/copyout to callers") # v4.16.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bart Van Assche 2019-03-25 09:17:20 -07:00 committed by David S. Miller
parent 37f3c421e8
commit b3c0fd61e6
1 changed files with 2 additions and 1 deletions
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net/core/dev_ioctl.c
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@ -366,7 +366,8 @@ EXPORT_SYMBOL(dev_load);
* dev_ioctl - network device ioctl * dev_ioctl - network device ioctl
* @net: the applicable net namespace * @net: the applicable net namespace
* @cmd: command to issue * @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 * Issue ioctl functions to devices. This is normally called by the
* user space syscall interfaces but can sometimes be useful for * user space syscall interfaces but can sometimes be useful for