diff options
| author | Sunday Clement <Sunday.Clement@amd.com> | 2025-10-27 14:00:59 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-11-04 11:53:05 -0500 |
| commit | ff7644faf3529d186861b02957bf9c6b2fceb4c0 (patch) | |
| tree | e3a21df84d502098ed0d6a704ad9781e65ce30a7 | |
| parent | 72b0b75d608b54f7bb94ee12737c4a62d95bce4a (diff) | |
drm/amdkfd: Fix Unchecked Return Values
Properly Check for return values from calls to debug functions in
runtime_disable().
v2: storing the last non zero returned value from the loop.
Signed-off-by: Sunday Clement <Sunday.Clement@amd.com>
Reviewed-by: Jonathan Kim <Jonathan.Kim@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 0f0719528bcc..22925df6a791 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -2826,7 +2826,7 @@ retry: static int runtime_disable(struct kfd_process *p) { - int i = 0, ret; + int i = 0, ret = 0; bool was_enabled = p->runtime_info.runtime_state == DEBUG_RUNTIME_STATE_ENABLED; p->runtime_info.runtime_state = DEBUG_RUNTIME_STATE_DISABLED; @@ -2863,6 +2863,7 @@ static int runtime_disable(struct kfd_process *p) /* disable ttmp setup */ for (i = 0; i < p->n_pdds; i++) { struct kfd_process_device *pdd = p->pdds[i]; + int last_err = 0; if (kfd_dbg_is_per_vmid_supported(pdd->dev)) { pdd->spi_dbg_override = @@ -2872,14 +2873,17 @@ static int runtime_disable(struct kfd_process *p) pdd->dev->vm_info.last_vmid_kfd); if (!pdd->dev->kfd->shared_resources.enable_mes) - debug_refresh_runlist(pdd->dev->dqm); + last_err = debug_refresh_runlist(pdd->dev->dqm); else - kfd_dbg_set_mes_debug_mode(pdd, + last_err = kfd_dbg_set_mes_debug_mode(pdd, !kfd_dbg_has_cwsr_workaround(pdd->dev)); + + if (last_err) + ret = last_err; } } - return 0; + return ret; } static int kfd_ioctl_runtime_enable(struct file *filep, struct kfd_process *p, void *data) |