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authorDave Airlie <airlied@redhat.com>2022-05-14 08:34:01 +1000
committerDave Airlie <airlied@redhat.com>2022-05-14 08:34:07 +1000
commiteb7bac3973d209e5227d1783676362ee5a8a7127 (patch)
tree8a9af4c39dbf271f671aa82c2d156174f795806b /drivers/video/fbdev/core/fbsysfs.c
parent30c60ba354ce28e2953e0d3c50580aa67fb863cd (diff)
parent6fed53de560768bde6d701a7c79c253b45b259e3 (diff)
Merge tag 'drm-misc-fixes-2022-05-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixesdrm-fixes-2022-05-14
Multiple fixes to fbdev to address a regression at unregistration, an iommu detection improvement for nouveau, a memory leak fix for nouveau, pointer dereference fix for dma_buf_file_release(), and a build breakage fix for vc4 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20220513073044.ymayac7x7bzatrt7@houat
Diffstat (limited to 'drivers/video/fbdev/core/fbsysfs.c')
-rw-r--r--drivers/video/fbdev/core/fbsysfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 26892940c213..82e31a2d845e 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -80,6 +80,10 @@ void framebuffer_release(struct fb_info *info)
{
if (!info)
return;
+
+ if (WARN_ON(refcount_read(&info->count)))
+ return;
+
kfree(info->apertures);
kfree(info);
}