Commit 53216d6a authored Mar 16, 2013 by Stanislaw Gruszka Committed by John W. Linville Mar 18, 2013

rt2800: do not crash if spec->channels is NULL



In case the spec->channels was not specified, print warning instead
of hard crash the kernel.

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Tested-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 8857d6dc

drivers/net/wireless/rt2x00/rt2800lib.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -5213,6 +5213,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
		spec->channels = rf_vals_3x;
		}

		if (WARN_ON_ONCE(!spec->channels))
		return -ENODEV;

		/*
		* Initialize HT information.
		*/