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More differentiated error codes for DRM(agp_acquire)

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Obtained from: Linux kernel
This commit is contained in:
Michel Daenzer 2004-02-28 11:52:19 +00:00
parent ce21dca4aa
commit b61f07def3
2 changed files with 10 additions and 2 deletions
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6
linux-core/drm_agpsupport.c
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@ -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 )

6
linux/drm_agpsupport.h
View file

@ -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 )