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| author | Dave Airlie <airlied@redhat.com> | 2022-07-01 09:27:28 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-07-01 09:27:55 +1000 |
| commit | b8f0009bc9edf9186b20ae2a9e442ef0af93040e (patch) | |
| tree | ee69b7603ae091238e62ff7e7666da3e2ecbb517 /drivers/gpu | |
| parent | 078a3be79325e4a5e7e16576b3919999efadfa3f (diff) | |
| parent | ee7a69aa38d87a3bbced7b8245c732c05ed0c6ec (diff) | |
| download | linux-stable-b8f0009bc9edf9186b20ae2a9e442ef0af93040e.tar.gz linux-stable-b8f0009bc9edf9186b20ae2a9e442ef0af93040e.tar.bz2 linux-stable-b8f0009bc9edf9186b20ae2a9e442ef0af93040e.zip | |
Merge tag 'drm-misc-fixes-2022-06-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A NULL pointer dereference fix for vc4, and 3 patches to improve the
sysfb device behaviour when removing conflicting framebuffers
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630072404.2fa4z3nk5h5q34ci@houat
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_perfmon.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_perfmon.c b/drivers/gpu/drm/vc4/vc4_perfmon.c index c7f5adb6bcf8..79a74184d732 100644 --- a/drivers/gpu/drm/vc4/vc4_perfmon.c +++ b/drivers/gpu/drm/vc4/vc4_perfmon.c @@ -17,13 +17,16 @@ void vc4_perfmon_get(struct vc4_perfmon *perfmon) { - struct vc4_dev *vc4 = perfmon->dev; + struct vc4_dev *vc4; + if (!perfmon) + return; + + vc4 = perfmon->dev; if (WARN_ON_ONCE(vc4->is_vc5)) return; - if (perfmon) - refcount_inc(&perfmon->refcnt); + refcount_inc(&perfmon->refcnt); } void vc4_perfmon_put(struct vc4_perfmon *perfmon) |