D60824.id190153.diff
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D60824.id190153.diff
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	diff --git a/sys/dev/iwm/if_iwm.c b/sys/dev/iwm/if_iwm.c
	--- a/sys/dev/iwm/if_iwm.c
	+++ b/sys/dev/iwm/if_iwm.c
	@@ -6083,6 +6083,8 @@
	}

	hw = le16toh(sc->rxq.stat->closed_rb_num) & 0xfff;
	+ /* Mask the returned value to the hardware ring size */
	+ hw &= (count - 1);

	/*
	* Process responses
	diff --git a/sys/dev/iwm/if_iwmvar.h b/sys/dev/iwm/if_iwmvar.h
	--- a/sys/dev/iwm/if_iwmvar.h
	+++ b/sys/dev/iwm/if_iwmvar.h
	@@ -293,6 +293,7 @@
	int cur;
	};

	+/* Note: these are used as a mask; must be a power of 2 */
	#define IWM_RX_LEGACY_RING_COUNT 256
	#define IWM_RX_MQ_RING_COUNT 512