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drm/radeon: fix some memory leaks in extended table parsing 

Forgot to free some structs when allocation fails for some
tables.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-03-22 15:38:15 -04:00
parent b253e4b359
commit f907eec036
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/radeon/r600_dpm.c
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@ -878,8 +878,12 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
kzalloc(psl->ucNumEntries *
sizeof(struct radeon_phase_shedding_limits_entry),
GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries)
if (!rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries) {
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
return -ENOMEM;
}
for (i = 0; i < psl->ucNumEntries; i++) {
rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries[i].sclk =
@ -946,8 +950,13 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
le16_to_cpu(ext_hdr->usPPMTableOffset));
rdev->pm.dpm.dyn_state.ppm_table =
kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.ppm_table)
if (!rdev->pm.dpm.dyn_state.ppm_table) {
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk.entries);
kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk.entries);
kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
return -ENOMEM;
}
rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
le16_to_cpu(ppm->usCpuCoreNumber);