From: Dave Airlie <airlied@starflyer.(none)>
Date: Mon, 2 Jan 2006 08:23:44 +0000 (+1100)
Subject: drm: fix issue with contexts running out of RAM
X-Git-Tag: firefly_0821_release~38914^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b5e9fc13dd0f25a2f422000c185f491bfd4f7335;p=firefly-linux-kernel-4.4.55.git

drm: fix issue with contexts running out of RAM

Signed-off-by: Dave Airlie <airlied@linux.ie>
---

diff --git a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c
index bdd168d88f49..7a7bcef2aa84 100644
--- a/drivers/char/drm/drm_context.c
+++ b/drivers/char/drm/drm_context.c
@@ -432,6 +432,10 @@ int drm_addctx(struct inode *inode, struct file *filp,
 
 	if (ctx.handle != DRM_KERNEL_CONTEXT) {
 		if (dev->driver->context_ctor)
+			if (dev->driver->context_ctor(dev, ctx.handle)) {
+				DRM_DEBUG("Running out of ctxs or memory.\n");
+				return -ENOMEM;
+			}
 			dev->driver->context_ctor(dev, ctx.handle);
 	}