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authorEric Engestrom <eric@engestrom.ch>2016-08-15 01:02:38 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 09:25:12 +0200
commit90844f00049e9f42573fd31d7c32e8fd31d3fd07 (patch)
tree60303fd6ee2cb480548f847790090e786f5f70fd /drivers/gpu/drm/drm_crtc.c
parentfc93ff608b15ae32cde3006b7af860b59cac20ec (diff)
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.c21
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;
}