atm: lanai: set error code when ioremap fails
authorPan Bian <bianpan2016@163.com>
Sat, 3 Dec 2016 12:25:45 +0000 (20:25 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 Dec 2016 18:27:33 +0000 (13:27 -0500)
commit4606c9e8c541f97034e53e644129376a6170b8c7
treedadbc5b83a85d7202b93c1c2dbb849a344ba96dd
parent51920830d9d0eb617af18dc60443fcd4fb50a533
atm: lanai: set error code when ioremap fails

In function lanai_dev_open(), when the call to ioremap() fails, the
value of return variable result is 0. 0 means no error in this context.
This patch fixes the bug, assigning "-ENOMEM" to result when ioremap()
returns a NULL pointer.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188791

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/atm/lanai.c