Commit a84b895a authored Jul 20, 2012 by Colin Cross Committed by Russell King Jul 31, 2012

ARM: 7476/1: vfp: only clear vfp state for current cpu in vfp_pm_suspend



vfp_pm_suspend runs on each cpu, only clear the hardware state
pointer for the current cpu.  Prevents a possible crash if one
cpu clears the hw state pointer when another cpu has already
checked if it is valid.

Cc: stable@vger.kernel.org
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 4c36595e

arch/arm/vfp/vfpmodule.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -460,7 +460,7 @@ static int vfp_pm_suspend(void)
		}

		/* clear any information we had about last context state */
		memset(vfp_current_hw_state, 0, sizeof(vfp_current_hw_state));
		vfp_current_hw_state[ti->cpu] = NULL;

		return 0;
		}