diff options
| author | Eric Engestrom <eric@engestrom.ch> | 2016-08-15 03:02:38 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-08-15 10:25:12 +0300 |
| commit | 90844f00049e9f42573fd31d7c32e8fd31d3fd07 (patch) | |
| tree | 60303fd6ee2cb480548f847790090e786f5f70fd /drivers/gpu/drm/drm_crtc.c | |
| parent | fc93ff608b15ae32cde3006b7af860b59cac20ec (diff) | |
| download | linux-90844f00049e9f42573fd31d7c32e8fd31d3fd07.tar.xz | |
drm: make drm_get_format_name thread-safe
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
[danvet: Clarify that the returned pointer must be freed with
kfree().]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index e92bb9d3f90f..f4e3ebebe79a 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2592,8 +2592,9 @@ static int __setplane_internal(struct drm_plane *plane, /* Check whether this plane supports the fb pixel format. */ ret = drm_plane_check_pixel_format(plane, fb->pixel_format); if (ret) { - DRM_DEBUG_KMS("Invalid pixel format %s\n", - drm_get_format_name(fb->pixel_format)); + const char *format_name = drm_get_format_name(fb->pixel_format); + DRM_DEBUG_KMS("Invalid pixel format %s\n", format_name); + kfree(format_name); goto out; } @@ -2902,8 +2903,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, ret = drm_plane_check_pixel_format(crtc->primary, fb->pixel_format); if (ret) { - DRM_DEBUG_KMS("Invalid pixel format %s\n", - drm_get_format_name(fb->pixel_format)); + const char *format_name = drm_get_format_name(fb->pixel_format); + DRM_DEBUG_KMS("Invalid pixel format %s\n", format_name); + kfree(format_name); goto out; } } @@ -3279,6 +3281,7 @@ int drm_mode_addfb(struct drm_device *dev, static int format_check(const struct drm_mode_fb_cmd2 *r) { uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; + const char *format_name; switch (format) { case DRM_FORMAT_C8: @@ -3343,8 +3346,9 @@ static int format_check(const struct drm_mode_fb_cmd2 *r) case DRM_FORMAT_YVU444: return 0; default: - DRM_DEBUG_KMS("invalid pixel format %s\n", - drm_get_format_name(r->pixel_format)); + format_name = drm_get_format_name(r->pixel_format); + DRM_DEBUG_KMS("invalid pixel format %s\n", format_name); + kfree(format_name); return -EINVAL; } } @@ -3355,8 +3359,9 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) ret = format_check(r); if (ret) { - DRM_DEBUG_KMS("bad framebuffer format %s\n", - drm_get_format_name(r->pixel_format)); + const char *format_name = drm_get_format_name(r->pixel_format); + DRM_DEBUG_KMS("bad framebuffer format %s\n", format_name); + kfree(format_name); return ret; } |