Message ID | 20231224082533.3540468-1-alexious@zju.edu.cn (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | ALSA: hdsp: fix some memleaks in snd_hdsp_hwdep_ioctl | expand |
Hi Zhipeng, kernel test robot noticed the following build warnings: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on tiwai-sound/for-linus linus/master v6.7-rc7 next-20231222] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zhipeng-Lu/ALSA-hdsp-fix-some-memleaks-in-snd_hdsp_hwdep_ioctl/20231225-155210 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20231224082533.3540468-1-alexious%40zju.edu.cn patch subject: [PATCH] ALSA: hdsp: fix some memleaks in snd_hdsp_hwdep_ioctl config: i386-buildonly-randconfig-004-20231225 (https://download.01.org/0day-ci/archive/20231226/202312260629.HwV1r2MX-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231226/202312260629.HwV1r2MX-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202312260629.HwV1r2MX-lkp@intel.com/ All warnings (new ones prefixed by >>): >> sound/pci/rme9652/hdsp.c:4917:1: warning: unused label 'err' [-Wunused-label] err: ^~~~ >> sound/pci/rme9652/hdsp.c:4918:9: warning: variable 'err' is uninitialized when used here [-Wuninitialized] return err; ^~~ sound/pci/rme9652/hdsp.c:4732:9: note: initialize the variable 'err' to silence this warning int err; ^ = 0 2 warnings generated. vim +/err +4917 sound/pci/rme9652/hdsp.c 4727 4728 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg) 4729 { 4730 struct hdsp *hdsp = hw->private_data; 4731 void __user *argp = (void __user *)arg; 4732 int err; 4733 4734 switch (cmd) { 4735 case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: { 4736 struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg; 4737 4738 err = hdsp_check_for_iobox(hdsp); 4739 if (err < 0) 4740 return err; 4741 4742 err = hdsp_check_for_firmware(hdsp, 1); 4743 if (err < 0) 4744 return err; 4745 4746 if (!(hdsp->state & HDSP_FirmwareLoaded)) { 4747 dev_err(hdsp->card->dev, 4748 "firmware needs to be uploaded to the card.\n"); 4749 return -EINVAL; 4750 } 4751 4752 switch (hdsp->io_type) { 4753 case H9652: 4754 return hdsp_9652_get_peak(hdsp, peak_rms); 4755 case H9632: 4756 return hdsp_9632_get_peak(hdsp, peak_rms); 4757 default: 4758 return hdsp_get_peak(hdsp, peak_rms); 4759 } 4760 } 4761 case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: { 4762 struct hdsp_config_info info; 4763 unsigned long flags; 4764 int i; 4765 4766 err = hdsp_check_for_iobox(hdsp); 4767 if (err < 0) 4768 return err; 4769 4770 err = hdsp_check_for_firmware(hdsp, 1); 4771 if (err < 0) 4772 return err; 4773 4774 memset(&info, 0, sizeof(info)); 4775 spin_lock_irqsave(&hdsp->lock, flags); 4776 info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp); 4777 info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp); 4778 if (hdsp->io_type != H9632) 4779 info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp); 4780 info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp); 4781 for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632) ? 3 : 1); ++i) 4782 info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i); 4783 info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp); 4784 info.spdif_out = (unsigned char)hdsp_toggle_setting(hdsp, 4785 HDSP_SPDIFOpticalOut); 4786 info.spdif_professional = (unsigned char) 4787 hdsp_toggle_setting(hdsp, HDSP_SPDIFProfessional); 4788 info.spdif_emphasis = (unsigned char) 4789 hdsp_toggle_setting(hdsp, HDSP_SPDIFEmphasis); 4790 info.spdif_nonaudio = (unsigned char) 4791 hdsp_toggle_setting(hdsp, HDSP_SPDIFNonAudio); 4792 info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp); 4793 info.system_sample_rate = hdsp->system_sample_rate; 4794 info.autosync_sample_rate = hdsp_external_sample_rate(hdsp); 4795 info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp); 4796 info.clock_source = (unsigned char)hdsp_clock_source(hdsp); 4797 info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp); 4798 info.line_out = (unsigned char) 4799 hdsp_toggle_setting(hdsp, HDSP_LineOut); 4800 if (hdsp->io_type == H9632) { 4801 info.da_gain = (unsigned char)hdsp_da_gain(hdsp); 4802 info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp); 4803 info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp); 4804 info.xlr_breakout_cable = 4805 (unsigned char)hdsp_toggle_setting(hdsp, 4806 HDSP_XLRBreakoutCable); 4807 4808 } else if (hdsp->io_type == RPM) { 4809 info.da_gain = (unsigned char) hdsp_rpm_input12(hdsp); 4810 info.ad_gain = (unsigned char) hdsp_rpm_input34(hdsp); 4811 } 4812 if (hdsp->io_type == H9632 || hdsp->io_type == H9652) 4813 info.analog_extension_board = 4814 (unsigned char)hdsp_toggle_setting(hdsp, 4815 HDSP_AnalogExtensionBoard); 4816 spin_unlock_irqrestore(&hdsp->lock, flags); 4817 if (copy_to_user(argp, &info, sizeof(info))) 4818 return -EFAULT; 4819 break; 4820 } 4821 case SNDRV_HDSP_IOCTL_GET_9632_AEB: { 4822 struct hdsp_9632_aeb h9632_aeb; 4823 4824 if (hdsp->io_type != H9632) return -EINVAL; 4825 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS; 4826 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS; 4827 if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb))) 4828 return -EFAULT; 4829 break; 4830 } 4831 case SNDRV_HDSP_IOCTL_GET_VERSION: { 4832 struct hdsp_version hdsp_version; 4833 int err; 4834 4835 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; 4836 if (hdsp->io_type == Undefined) { 4837 err = hdsp_get_iobox_version(hdsp); 4838 if (err < 0) 4839 return err; 4840 } 4841 memset(&hdsp_version, 0, sizeof(hdsp_version)); 4842 hdsp_version.io_type = hdsp->io_type; 4843 hdsp_version.firmware_rev = hdsp->firmware_rev; 4844 if (copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))) 4845 return -EFAULT; 4846 break; 4847 } 4848 case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: { 4849 struct hdsp_firmware firmware; 4850 u32 __user *firmware_data; 4851 int err; 4852 4853 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; 4854 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */ 4855 if (hdsp->io_type == Undefined) return -EINVAL; 4856 4857 if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded)) 4858 return -EBUSY; 4859 4860 dev_info(hdsp->card->dev, 4861 "initializing firmware upload\n"); 4862 if (copy_from_user(&firmware, argp, sizeof(firmware))) 4863 return -EFAULT; 4864 firmware_data = (u32 __user *)firmware.firmware_data; 4865 4866 if (hdsp_check_for_iobox (hdsp)) 4867 return -EIO; 4868 4869 if (!hdsp->fw_uploaded) { 4870 hdsp->fw_uploaded = vmalloc(HDSP_FIRMWARE_SIZE); 4871 if (!hdsp->fw_uploaded) 4872 return -ENOMEM; 4873 } 4874 4875 if (copy_from_user(hdsp->fw_uploaded, firmware_data, 4876 HDSP_FIRMWARE_SIZE)) { 4877 err = -EFAULT; 4878 goto free_fw_uploaded; 4879 } 4880 4881 hdsp->state |= HDSP_FirmwareCached; 4882 4883 err = snd_hdsp_load_firmware_from_cache(hdsp); 4884 if (err < 0) 4885 goto free_fw_uploaded; 4886 4887 if (!(hdsp->state & HDSP_InitializationComplete)) { 4888 err = snd_hdsp_enable_io(hdsp); 4889 if (err < 0) 4890 goto free_fw_uploaded; 4891 4892 snd_hdsp_initialize_channels(hdsp); 4893 snd_hdsp_initialize_midi_flush(hdsp); 4894 4895 err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp); 4896 if (err < 0) { 4897 dev_err(hdsp->card->dev, 4898 "error creating alsa devices\n"); 4899 goto free_fw_uploaded; 4900 } 4901 } 4902 break; 4903 } 4904 case SNDRV_HDSP_IOCTL_GET_MIXER: { 4905 struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp; 4906 if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE)) 4907 return -EFAULT; 4908 break; 4909 } 4910 default: 4911 return -EINVAL; 4912 } 4913 return 0; 4914 free_fw_uploaded: 4915 vfree(hdsp->fw_uploaded); 4916 hdsp->fw_uploaded = NULL; > 4917 err: > 4918 return err; 4919 } 4920
Hi Zhipeng, kernel test robot noticed the following build warnings: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on tiwai-sound/for-linus linus/master v6.7-rc7 next-20231222] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zhipeng-Lu/ALSA-hdsp-fix-some-memleaks-in-snd_hdsp_hwdep_ioctl/20231225-155210 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next patch link: https://lore.kernel.org/r/20231224082533.3540468-1-alexious%40zju.edu.cn patch subject: [PATCH] ALSA: hdsp: fix some memleaks in snd_hdsp_hwdep_ioctl config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20231226/202312260721.mfXz0imt-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231226/202312260721.mfXz0imt-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202312260721.mfXz0imt-lkp@intel.com/ All warnings (new ones prefixed by >>): sound/pci/rme9652/hdsp.c: In function 'snd_hdsp_hwdep_ioctl': >> sound/pci/rme9652/hdsp.c:4917:1: warning: label 'err' defined but not used [-Wunused-label] 4917 | err: | ^~~ vim +/err +4917 sound/pci/rme9652/hdsp.c 4727 4728 static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigned int cmd, unsigned long arg) 4729 { 4730 struct hdsp *hdsp = hw->private_data; 4731 void __user *argp = (void __user *)arg; 4732 int err; 4733 4734 switch (cmd) { 4735 case SNDRV_HDSP_IOCTL_GET_PEAK_RMS: { 4736 struct hdsp_peak_rms __user *peak_rms = (struct hdsp_peak_rms __user *)arg; 4737 4738 err = hdsp_check_for_iobox(hdsp); 4739 if (err < 0) 4740 return err; 4741 4742 err = hdsp_check_for_firmware(hdsp, 1); 4743 if (err < 0) 4744 return err; 4745 4746 if (!(hdsp->state & HDSP_FirmwareLoaded)) { 4747 dev_err(hdsp->card->dev, 4748 "firmware needs to be uploaded to the card.\n"); 4749 return -EINVAL; 4750 } 4751 4752 switch (hdsp->io_type) { 4753 case H9652: 4754 return hdsp_9652_get_peak(hdsp, peak_rms); 4755 case H9632: 4756 return hdsp_9632_get_peak(hdsp, peak_rms); 4757 default: 4758 return hdsp_get_peak(hdsp, peak_rms); 4759 } 4760 } 4761 case SNDRV_HDSP_IOCTL_GET_CONFIG_INFO: { 4762 struct hdsp_config_info info; 4763 unsigned long flags; 4764 int i; 4765 4766 err = hdsp_check_for_iobox(hdsp); 4767 if (err < 0) 4768 return err; 4769 4770 err = hdsp_check_for_firmware(hdsp, 1); 4771 if (err < 0) 4772 return err; 4773 4774 memset(&info, 0, sizeof(info)); 4775 spin_lock_irqsave(&hdsp->lock, flags); 4776 info.pref_sync_ref = (unsigned char)hdsp_pref_sync_ref(hdsp); 4777 info.wordclock_sync_check = (unsigned char)hdsp_wc_sync_check(hdsp); 4778 if (hdsp->io_type != H9632) 4779 info.adatsync_sync_check = (unsigned char)hdsp_adatsync_sync_check(hdsp); 4780 info.spdif_sync_check = (unsigned char)hdsp_spdif_sync_check(hdsp); 4781 for (i = 0; i < ((hdsp->io_type != Multiface && hdsp->io_type != RPM && hdsp->io_type != H9632) ? 3 : 1); ++i) 4782 info.adat_sync_check[i] = (unsigned char)hdsp_adat_sync_check(hdsp, i); 4783 info.spdif_in = (unsigned char)hdsp_spdif_in(hdsp); 4784 info.spdif_out = (unsigned char)hdsp_toggle_setting(hdsp, 4785 HDSP_SPDIFOpticalOut); 4786 info.spdif_professional = (unsigned char) 4787 hdsp_toggle_setting(hdsp, HDSP_SPDIFProfessional); 4788 info.spdif_emphasis = (unsigned char) 4789 hdsp_toggle_setting(hdsp, HDSP_SPDIFEmphasis); 4790 info.spdif_nonaudio = (unsigned char) 4791 hdsp_toggle_setting(hdsp, HDSP_SPDIFNonAudio); 4792 info.spdif_sample_rate = hdsp_spdif_sample_rate(hdsp); 4793 info.system_sample_rate = hdsp->system_sample_rate; 4794 info.autosync_sample_rate = hdsp_external_sample_rate(hdsp); 4795 info.system_clock_mode = (unsigned char)hdsp_system_clock_mode(hdsp); 4796 info.clock_source = (unsigned char)hdsp_clock_source(hdsp); 4797 info.autosync_ref = (unsigned char)hdsp_autosync_ref(hdsp); 4798 info.line_out = (unsigned char) 4799 hdsp_toggle_setting(hdsp, HDSP_LineOut); 4800 if (hdsp->io_type == H9632) { 4801 info.da_gain = (unsigned char)hdsp_da_gain(hdsp); 4802 info.ad_gain = (unsigned char)hdsp_ad_gain(hdsp); 4803 info.phone_gain = (unsigned char)hdsp_phone_gain(hdsp); 4804 info.xlr_breakout_cable = 4805 (unsigned char)hdsp_toggle_setting(hdsp, 4806 HDSP_XLRBreakoutCable); 4807 4808 } else if (hdsp->io_type == RPM) { 4809 info.da_gain = (unsigned char) hdsp_rpm_input12(hdsp); 4810 info.ad_gain = (unsigned char) hdsp_rpm_input34(hdsp); 4811 } 4812 if (hdsp->io_type == H9632 || hdsp->io_type == H9652) 4813 info.analog_extension_board = 4814 (unsigned char)hdsp_toggle_setting(hdsp, 4815 HDSP_AnalogExtensionBoard); 4816 spin_unlock_irqrestore(&hdsp->lock, flags); 4817 if (copy_to_user(argp, &info, sizeof(info))) 4818 return -EFAULT; 4819 break; 4820 } 4821 case SNDRV_HDSP_IOCTL_GET_9632_AEB: { 4822 struct hdsp_9632_aeb h9632_aeb; 4823 4824 if (hdsp->io_type != H9632) return -EINVAL; 4825 h9632_aeb.aebi = hdsp->ss_in_channels - H9632_SS_CHANNELS; 4826 h9632_aeb.aebo = hdsp->ss_out_channels - H9632_SS_CHANNELS; 4827 if (copy_to_user(argp, &h9632_aeb, sizeof(h9632_aeb))) 4828 return -EFAULT; 4829 break; 4830 } 4831 case SNDRV_HDSP_IOCTL_GET_VERSION: { 4832 struct hdsp_version hdsp_version; 4833 int err; 4834 4835 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; 4836 if (hdsp->io_type == Undefined) { 4837 err = hdsp_get_iobox_version(hdsp); 4838 if (err < 0) 4839 return err; 4840 } 4841 memset(&hdsp_version, 0, sizeof(hdsp_version)); 4842 hdsp_version.io_type = hdsp->io_type; 4843 hdsp_version.firmware_rev = hdsp->firmware_rev; 4844 if (copy_to_user(argp, &hdsp_version, sizeof(hdsp_version))) 4845 return -EFAULT; 4846 break; 4847 } 4848 case SNDRV_HDSP_IOCTL_UPLOAD_FIRMWARE: { 4849 struct hdsp_firmware firmware; 4850 u32 __user *firmware_data; 4851 int err; 4852 4853 if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return -EINVAL; 4854 /* SNDRV_HDSP_IOCTL_GET_VERSION must have been called */ 4855 if (hdsp->io_type == Undefined) return -EINVAL; 4856 4857 if (hdsp->state & (HDSP_FirmwareCached | HDSP_FirmwareLoaded)) 4858 return -EBUSY; 4859 4860 dev_info(hdsp->card->dev, 4861 "initializing firmware upload\n"); 4862 if (copy_from_user(&firmware, argp, sizeof(firmware))) 4863 return -EFAULT; 4864 firmware_data = (u32 __user *)firmware.firmware_data; 4865 4866 if (hdsp_check_for_iobox (hdsp)) 4867 return -EIO; 4868 4869 if (!hdsp->fw_uploaded) { 4870 hdsp->fw_uploaded = vmalloc(HDSP_FIRMWARE_SIZE); 4871 if (!hdsp->fw_uploaded) 4872 return -ENOMEM; 4873 } 4874 4875 if (copy_from_user(hdsp->fw_uploaded, firmware_data, 4876 HDSP_FIRMWARE_SIZE)) { 4877 err = -EFAULT; 4878 goto free_fw_uploaded; 4879 } 4880 4881 hdsp->state |= HDSP_FirmwareCached; 4882 4883 err = snd_hdsp_load_firmware_from_cache(hdsp); 4884 if (err < 0) 4885 goto free_fw_uploaded; 4886 4887 if (!(hdsp->state & HDSP_InitializationComplete)) { 4888 err = snd_hdsp_enable_io(hdsp); 4889 if (err < 0) 4890 goto free_fw_uploaded; 4891 4892 snd_hdsp_initialize_channels(hdsp); 4893 snd_hdsp_initialize_midi_flush(hdsp); 4894 4895 err = snd_hdsp_create_alsa_devices(hdsp->card, hdsp); 4896 if (err < 0) { 4897 dev_err(hdsp->card->dev, 4898 "error creating alsa devices\n"); 4899 goto free_fw_uploaded; 4900 } 4901 } 4902 break; 4903 } 4904 case SNDRV_HDSP_IOCTL_GET_MIXER: { 4905 struct hdsp_mixer __user *mixer = (struct hdsp_mixer __user *)argp; 4906 if (copy_to_user(mixer->matrix, hdsp->mixer_matrix, sizeof(unsigned short)*HDSP_MATRIX_MIXER_SIZE)) 4907 return -EFAULT; 4908 break; 4909 } 4910 default: 4911 return -EINVAL; 4912 } 4913 return 0; 4914 free_fw_uploaded: 4915 vfree(hdsp->fw_uploaded); 4916 hdsp->fw_uploaded = NULL; > 4917 err: 4918 return err; 4919 } 4920
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index e7d1b43471a2..6f6add2f7c42 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -4874,21 +4874,20 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne if (copy_from_user(hdsp->fw_uploaded, firmware_data, HDSP_FIRMWARE_SIZE)) { - vfree(hdsp->fw_uploaded); - hdsp->fw_uploaded = NULL; - return -EFAULT; + err = -EFAULT; + goto free_fw_uploaded; } hdsp->state |= HDSP_FirmwareCached; err = snd_hdsp_load_firmware_from_cache(hdsp); if (err < 0) - return err; + goto free_fw_uploaded; if (!(hdsp->state & HDSP_InitializationComplete)) { err = snd_hdsp_enable_io(hdsp); if (err < 0) - return err; + goto free_fw_uploaded; snd_hdsp_initialize_channels(hdsp); snd_hdsp_initialize_midi_flush(hdsp); @@ -4897,7 +4896,7 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne if (err < 0) { dev_err(hdsp->card->dev, "error creating alsa devices\n"); - return err; + goto free_fw_uploaded; } } break; @@ -4912,6 +4911,11 @@ static int snd_hdsp_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, unsigne return -EINVAL; } return 0; +free_fw_uploaded: + vfree(hdsp->fw_uploaded); + hdsp->fw_uploaded = NULL; +err: + return err; } static const struct snd_pcm_ops snd_hdsp_playback_ops = {
When snd_hdsp_load_firmware_from_cache and snd_hdsp_enable_io fails, the hdsp->fw_uploaded needs to be free.Or there could be memleaks in snd_hdsp_hwdep_ioctl. Fixes: 90caaef6a1ce ("ALSA: hdsp: improve firmware caching") Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn> --- sound/pci/rme9652/hdsp.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)