diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-11-07 12:03:23 -0800 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-09-19 15:04:33 +0100 |
| commit | 770ba2389ee98d51fe12d738e0ed4006caefca47 (patch) | |
| tree | c795b14f9977b929dc1c80f6a1fe20dad8711b68 | |
| parent | c09ccfb99f423aa9cdd865c72695c72402f2eb97 (diff) | |
drm: remove some potentially dangerous DRM_ERRORs
commit acb4b992d8a13728044f430b47b9199aa45993e9 upstream.
Each of these error messages can be caused by a broken or malicious
userspace wanting to spam the dmesg with useless info. They're really
not worthy of DRM_DEBUG statements either; those are generally only
useful during bringup of new hardware or versions, and ought to be
removed before going upstream anyway.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
[bwh: Backported to 3.2: s/r\./r->/ in drm_mode_addfb()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 8323fc38984..25ce75db392 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1625,10 +1625,8 @@ int drm_mode_cursor_ioctl(struct drm_device *dev, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - if (!req->flags) { - DRM_ERROR("no operation set\n"); + if (!req->flags) return -EINVAL; - } mutex_lock(&dev->mode_config.mutex); obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); @@ -1641,7 +1639,6 @@ int drm_mode_cursor_ioctl(struct drm_device *dev, if (req->flags & DRM_MODE_CURSOR_BO) { if (!crtc->funcs->cursor_set) { - DRM_ERROR("crtc does not support cursor\n"); ret = -ENXIO; goto out; } @@ -1654,7 +1651,6 @@ int drm_mode_cursor_ioctl(struct drm_device *dev, if (crtc->funcs->cursor_move) { ret = crtc->funcs->cursor_move(crtc, req->x, req->y); } else { - DRM_ERROR("crtc does not support cursor\n"); ret = -EFAULT; goto out; } @@ -1692,14 +1688,11 @@ int drm_mode_addfb(struct drm_device *dev, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - if ((config->min_width > r->width) || (r->width > config->max_width)) { - DRM_ERROR("mode new framebuffer width not within limits\n"); + if ((config->min_width > r->width) || (r->width > config->max_width)) return -EINVAL; - } - if ((config->min_height > r->height) || (r->height > config->max_height)) { - DRM_ERROR("mode new framebuffer height not within limits\n"); + + if ((config->min_height > r->height) || (r->height > config->max_height)) return -EINVAL; - } mutex_lock(&dev->mode_config.mutex); @@ -1756,7 +1749,6 @@ int drm_mode_rmfb(struct drm_device *dev, obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); /* TODO check that we really get a framebuffer back. */ if (!obj) { - DRM_ERROR("mode invalid framebuffer id\n"); ret = -EINVAL; goto out; } @@ -1767,7 +1759,6 @@ int drm_mode_rmfb(struct drm_device *dev, found = 1; if (!found) { - DRM_ERROR("tried to remove a fb that we didn't own\n"); ret = -EINVAL; goto out; } @@ -1814,7 +1805,6 @@ int drm_mode_getfb(struct drm_device *dev, mutex_lock(&dev->mode_config.mutex); obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); if (!obj) { - DRM_ERROR("invalid framebuffer id\n"); ret = -EINVAL; goto out; } @@ -1850,7 +1840,6 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, mutex_lock(&dev->mode_config.mutex); obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); if (!obj) { - DRM_ERROR("invalid framebuffer id\n"); ret = -EINVAL; goto out_err1; } |