diff options
| author | Colin Cross <ccross@android.com> | 2012-07-20 03:03:43 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-07-31 11:30:42 +0200 |
| commit | a84b895a2348f0dbff31b71ddf954f70a6cde368 (patch) | |
| tree | e5b4d9734e482c4f126ac3d466db780eed74a18d /arch/arm/vfp/vfpmodule.c | |
| parent | ARM: 7468/1: ftrace: Trace function entry before updating index (diff) | |
| download | linux-a84b895a2348f0dbff31b71ddf954f70a6cde368.tar.xz linux-a84b895a2348f0dbff31b71ddf954f70a6cde368.zip | |
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>
Diffstat (limited to 'arch/arm/vfp/vfpmodule.c')
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 586961929e96..9428006728f2 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -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; } |