diff options
| author | Ma Jun <Jun.Ma2@amd.com> | 2024-04-26 14:38:04 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-30 09:59:20 -0400 |
| commit | 579f0c21baec9e7506b6bb3f60f0a9b6d07693b4 (patch) | |
| tree | be8871b2c0e3c5c311bbe2aeb70135814a64c2d9 /drivers/gpu/drm/amd | |
| parent | 3ca73073f46a74dd53c3c1222c2486a593052e72 (diff) | |
drm/amdgpu/pm: Check the return value of smum_send_msg_to_smc
Check the return value of smum_send_msg_to_smc, otherwise
we might use an uninitialized variable "now"
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c index 02ba68d7c654..0b181bc8931c 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c @@ -1036,7 +1036,9 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr, switch (type) { case PP_SCLK: - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &now); + if (ret) + return ret; /* driver only know min/max gfx_clk, Add level 1 for all other gfx clks */ if (now == data->gfx_max_freq_limit/100) @@ -1057,7 +1059,9 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr, i == 2 ? "*" : ""); break; case PP_MCLK: - smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &now); + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &now); + if (ret) + return ret; for (i = 0; i < mclk_table->count; i++) size += sprintf(buf + size, "%d: %uMhz %s\n", |