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authorEric Anholt <eric@anholt.net>2007-11-22 18:46:54 +1000
committerDave Airlie <airlied@redhat.com>2008-02-07 15:09:39 +1000
commitb018fcdaa5e8b4eabb8cffda687d00004a3c4785 (patch)
tree63772cad6f990cd3b0fb81e3329fa7b625dfa656 /drivers/char
parent3260f9fdfee9d5b4135f40943dc0bd0733b7394e (diff)
downloadop-kernel-dev-b018fcdaa5e8b4eabb8cffda687d00004a3c4785.zip
op-kernel-dev-b018fcdaa5e8b4eabb8cffda687d00004a3c4785.tar.gz
drm: Make DRM_IOCTL_GET_CLIENT return EINVAL when it can't find client #idx.
Fixes the getclient test and dritest -c. Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/drm/drm_ioctl.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c
index b4d86a3..16829fb 100644
--- a/drivers/char/drm/drm_ioctl.c
+++ b/drivers/char/drm/drm_ioctl.c
@@ -235,25 +235,22 @@ int drm_getclient(struct drm_device *dev, void *data,
idx = client->idx;
mutex_lock(&dev->struct_mutex);
- if (list_empty(&dev->filelist)) {
- mutex_unlock(&dev->struct_mutex);
- return -EINVAL;
- }
-
i = 0;
list_for_each_entry(pt, &dev->filelist, lhead) {
- if (i++ >= idx)
- break;
+ if (i++ >= idx) {
+ client->auth = pt->authenticated;
+ client->pid = pt->pid;
+ client->uid = pt->uid;
+ client->magic = pt->magic;
+ client->iocs = pt->ioctl_count;
+ mutex_unlock(&dev->struct_mutex);
+
+ return 0;
+ }
}
-
- client->auth = pt->authenticated;
- client->pid = pt->pid;
- client->uid = pt->uid;
- client->magic = pt->magic;
- client->iocs = pt->ioctl_count;
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return -EINVAL;
}
/**
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