From 1c4ddc4c7a4fcdf9371048ce01a6b0e5d2a2bae9 Mon Sep 17 00:00:00 2001 From: Sunil Khatri Date: Thu, 6 Apr 2017 18:28:31 +0530 Subject: msm: kgsl: Fix the race between context create and destroy Hold the context lock before updating the context id in param->drawctxt_id to avoid race condition between context creation and context destroy. Change-Id: Ic26d3e5b68078c02d15c38080b1a262ea4b1f7fe Signed-off-by: Sunil Khatri --- drivers/gpu/msm/kgsl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index 1de8e21..54f591e4 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -1764,9 +1764,9 @@ long kgsl_ioctl_drawctxt_create(struct kgsl_device_private *dev_priv, /* Commit the pointer to the context in context_idr */ write_lock(&device->context_lock); idr_replace(&device->context_idr, context, context->id); + param->drawctxt_id = context->id; write_unlock(&device->context_lock); - param->drawctxt_id = context->id; done: return result; } -- cgit v1.1