staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID

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When not associated with an AP, wifi device drivers should respond to the
SIOCGIWESSID ioctl with a zero-length string for the SSID, which is the
behavior expected by dhcpcd.

Currently, this driver returns an error code (-1) from the ioctl call,
which causes dhcpcd to assume that the device is not a wireless interface
and therefore it fails to work correctly with it thereafter.

This problem was reported and tested at
https://github.com/lwfinger/rtl8188eu/issues/234.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Larry Finger 2017-11-25 13:32:38 -06:00 • committed by Greg Kroah-Hartman

parent c5f39d0786

commit b77992d2df

1 changed files with 4 additions and 10 deletions

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drivers/staging/rtl8188eu/os_dep/ioctl_linux.c

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