From b61f07def349644ec8077cb12b303d444e223c1b Mon Sep 17 00:00:00 2001
From: Michel Daenzer <michel@daenzer.net>
Date: Sat, 28 Feb 2004 11:52:19 +0000
Subject: More differentiated error codes for DRM(agp_acquire) Obtained from:
 Linux kernel

---
 linux-core/drm_agpsupport.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'linux-core/drm_agpsupport.c')

diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index 0f281b57..f83651af 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -104,7 +104,11 @@ int DRM(agp_acquire)(struct inode *inode, struct file *filp,
 	drm_device_t	 *dev	 = priv->dev;
 	int              retcode;
 
-	if (!dev->agp || dev->agp->acquired || !drm_agp->acquire)
+	if (!dev->agp)
+		return -ENODEV;
+	if (dev->agp->acquired)
+		return -EBUSY;
+	if (!drm_agp->acquire)
 		return -EINVAL;
 #ifndef VMAP_4_ARGS
 	if ( dev->agp->cant_use_aperture )
-- 
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