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hopefully fix drm_core setversion ioctl... pointed out by Eric on irc

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This commit is contained in:
Dave Airlie 2005-01-24 01:05:07 +00:00
parent 3df805bd4a
commit 311da0f212
1 changed files with 7 additions and 5 deletions
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12
linux-core/drm_ioctl.c
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@ -324,13 +324,15 @@ int drm_setversion(DRM_IOCTL_ARGS)
drm_set_version_t retv;
int if_version;
drm_set_version_t __user *argp = (void __user *)data;
drm_version_t version;
DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv));
dev->driver->version(&version);
retv.drm_di_major = DRM_IF_MAJOR;
retv.drm_di_minor = DRM_IF_MINOR;
retv.drm_dd_major = DRIVER_MAJOR;
retv.drm_dd_minor = DRIVER_MINOR;
retv.drm_dd_major = version.version_major;
retv.drm_dd_minor = version.version_minor;
DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv));
@ -349,8 +351,8 @@ int drm_setversion(DRM_IOCTL_ARGS)
}
if (sv.drm_dd_major != -1) {
if (sv.drm_dd_major != DRIVER_MAJOR ||
sv.drm_dd_minor < 0 || sv.drm_dd_minor > DRIVER_MINOR)
if (sv.drm_dd_major != version.version_major ||
sv.drm_dd_minor < 0 || sv.drm_dd_minor > version.version_minor)
return EINVAL;
if (dev->driver->set_version)