diff options
| author | Yang Li <yang.lee@linux.alibaba.com> | 2022-10-26 10:00:54 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-11-02 16:58:36 -0400 |
| commit | 5b994354af3cab770bf13386469c5725713679af (patch) | |
| tree | 9ef53eaf5d03be396b083f7bc845b7046db8d477 /drivers/gpu | |
| parent | e542ca6e3e554bad53b2ea5741873b67f4585ea9 (diff) | |
| download | linux-stable-5b994354af3cab770bf13386469c5725713679af.tar.gz linux-stable-5b994354af3cab770bf13386469c5725713679af.tar.bz2 linux-stable-5b994354af3cab770bf13386469c5725713679af.zip | |
drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram()
./drivers/gpu/drm/amd/amdkfd/kfd_migrate.c:985:58-62: ERROR: p is NULL but dereferenced.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2549
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 2797029bd500..22b077ac9a19 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -973,12 +973,10 @@ out_unlock_prange: out_unlock_svms: mutex_unlock(&p->svms.lock); out_unref_process: + pr_debug("CPU fault svms 0x%p address 0x%lx done\n", &p->svms, addr); kfd_unref_process(p); out_mmput: mmput(mm); - - pr_debug("CPU fault svms 0x%p address 0x%lx done\n", &p->svms, addr); - return r ? VM_FAULT_SIGBUS : 0; } |