Mauro Carvalho Chehab 2e81ae3967 media: r820t: don't crash if attach fails
As pointed by smatch:
	drivers/media/tuners/r820t.c:2374 r820t_attach() error: potential null dereference 'priv'.  (kzalloc returns null)

The current function with prints error assumes that the attach
succeeds. So, don't use it in case of failures.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-04-04 05:36:20 -04:00
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