diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-01-22 03:05:56 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2024-01-22 03:05:56 +0000 |
| commit | c2ba4bfd6473de1532b98b37d1e53bee9d28861a (patch) | |
| tree | 32fd4b82feff27641128cdb5778fabb31e7db1ef /sys | |
| parent | 71178d8c60f6a693be5d20330a2a657fadf1f50a (diff) | |
drm/amdgpu: Add NULL checks for function pointers
From Lijo Lazar
fb26de4a86e19711880e7e845505505f01d2eb82 in linux-6.6.y/6.6.13
81577503efb49f4ad76af22f9941d72900ef4aab in mainline linux
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/drm/amd/amdgpu/soc15.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/dev/pci/drm/amd/amdgpu/soc15.c b/sys/dev/pci/drm/amd/amdgpu/soc15.c index f1b8c925d2a..3a152a76d36 100644 --- a/sys/dev/pci/drm/amd/amdgpu/soc15.c +++ b/sys/dev/pci/drm/amd/amdgpu/soc15.c @@ -1422,9 +1422,11 @@ static void soc15_common_get_clockgating_state(void *handle, u64 *flags) if (amdgpu_sriov_vf(adev)) *flags = 0; - adev->nbio.funcs->get_clockgating_state(adev, flags); + if (adev->nbio.funcs && adev->nbio.funcs->get_clockgating_state) + adev->nbio.funcs->get_clockgating_state(adev, flags); - adev->hdp.funcs->get_clock_gating_state(adev, flags); + if (adev->hdp.funcs && adev->hdp.funcs->get_clock_gating_state) + adev->hdp.funcs->get_clock_gating_state(adev, flags); if (adev->ip_versions[MP0_HWIP][0] != IP_VERSION(13, 0, 2)) { @@ -1440,9 +1442,11 @@ static void soc15_common_get_clockgating_state(void *handle, u64 *flags) } /* AMD_CG_SUPPORT_ROM_MGCG */ - adev->smuio.funcs->get_clock_gating_state(adev, flags); + if (adev->smuio.funcs && adev->smuio.funcs->get_clock_gating_state) + adev->smuio.funcs->get_clock_gating_state(adev, flags); - adev->df.funcs->get_clockgating_state(adev, flags); + if (adev->df.funcs && adev->df.funcs->get_clockgating_state) + adev->df.funcs->get_clockgating_state(adev, flags); } static int soc15_common_set_powergating_state(void *handle, |