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intel_th: gth: Fix an off-by-one in output unassigning
commit 91d3f8a629849968dc91d6ce54f2d46abf4feb7f upstream. Commit 9ed3f22223c3 ("intel_th: Don't reference unassigned outputs") fixes a NULL dereference for all masters except the last one ("256+"), which keeps the stale pointer after the output driver had been unassigned. Fix the off-by-one. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Fixes: 9ed3f22223c3 ("intel_th: Don't reference unassigned outputs") Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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