backports: Add extra parameter to dev_open()

dev_open() got the extra parameter extack in Linux commit 00f54e68924e
("net: core: dev: Add extack argument to dev_open()"), just ignore it on
older kernel versions. This is used by the hostap driver.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
1 file changed