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| author | Emil Velikov <emil.l.velikov@gmail.com> | 2020-05-30 13:46:40 +0100 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2020-06-15 14:49:50 +0100 |
| commit | 264ddd077c72092178153fc32d510dcecff32eeb (patch) | |
| tree | 239802070d84bc7d70c8cc15f9fff2524831bfc0 /drivers/gpu/drm/drm_auth.c | |
| parent | 907f53200f982cd377e75abbc1b18ed624d7ae66 (diff) | |
| download | linux-264ddd077c72092178153fc32d510dcecff32eeb.tar.gz | |
drm/auth: make drm_{set,drop}master_ioctl symmetrical
Currently the ret handling is all over the place - with two redundant
assignments and another one addressed earlier.
Use the exact same flow in both functions.
v2: straighten the code flow, instead of just removing the assignments
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200530124640.4176323-2-emil.l.velikov@gmail.com
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
| -rw-r--r-- | drivers/gpu/drm/drm_auth.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 4c723e3a689c..f2d46b7ac6f9 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -215,7 +215,7 @@ drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv) int drm_setmaster_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { - int ret = 0; + int ret; mutex_lock(&dev->master_mutex); @@ -272,12 +272,15 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, if (ret) goto out_unlock; - ret = -EINVAL; - if (!drm_is_current_master(file_priv)) + if (!drm_is_current_master(file_priv)) { + ret = -EINVAL; goto out_unlock; + } - if (!dev->master) + if (!dev->master) { + ret = -EINVAL; goto out_unlock; + } if (file_priv->master->lessor != NULL) { DRM_DEBUG_LEASE("Attempt to drop lessee %d as master\n", file_priv->master->lessee_id); @@ -285,7 +288,6 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, goto out_unlock; } - ret = 0; drm_drop_master(dev, file_priv); out_unlock: mutex_unlock(&dev->master_mutex); |