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| author | Dhanalakshmi Siddani <quic_dsiddani@quicinc.com> | 2022-11-28 15:19:56 +0530 |
|---|---|---|
| committer | Dhanalakshmi Siddani <quic_dsiddani@quicinc.com> | 2022-11-28 15:25:27 +0530 |
| commit | ab255e3fd313e2312923ea6e6662ecb6f31c5ac9 (patch) | |
| tree | 312a913e9460caa306dd3570820aa8f8559e515e /dsp | |
| parent | a6fd19e7162b7aaf2489e7bb157f36fd12aaa8b9 (diff) | |
| download | msm-extra-ab255e3fd313e2312923ea6e6662ecb6f31c5ac9.tar.gz | |
audio: Add compat ioctl cmds
Ioctl commands are failing on 32bit userspace to 64bit kernel variants.
Use compat ioctl to fix the issue.
Change-Id: Icde6bfb89c6247e7c5bb1ea5811f5399a6a26922
Diffstat (limited to 'dsp')
| -rw-r--r-- | dsp/msm_audio_ion.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/dsp/msm_audio_ion.c b/dsp/msm_audio_ion.c index 0af62064..e00d659c 100644 --- a/dsp/msm_audio_ion.c +++ b/dsp/msm_audio_ion.c @@ -20,6 +20,7 @@ #include <linux/of_device.h> #include <linux/export.h> #include <linux/ioctl.h> +#include <linux/compat.h> #include <linux/cdev.h> #include <linux/fs.h> #include <linux/device.h> @@ -679,6 +680,7 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num, pr_debug("%s ioctl num %u ioctl_param %d\n", __func__, ioctl_num, ioctl_param); switch (ioctl_num) { case IOCTL_MAP_PHYS_ADDR: + case COMPAT_IOCTL_MAP_PHYS_ADDR: dma_vmap = kzalloc(sizeof(struct msm_audio_fd_data), GFP_KERNEL); if (!dma_vmap) return -ENOMEM; @@ -704,6 +706,7 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num, msm_audio_update_fd_list(msm_audio_fd_data); break; case IOCTL_UNMAP_PHYS_ADDR: + case COMPAT_IOCTL_UNMAP_PHYS_ADDR: msm_audio_get_handle((int)ioctl_param, &mem_handle); ret = msm_audio_ion_free(mem_handle, ion_data); if (ret < 0) { @@ -757,6 +760,14 @@ static long msm_audio_ion_ioctl(struct file *file, unsigned int ioctl_num, return ret; } +static long msm_audio_ion_compat_ioctl(struct file *file, unsigned int ioctl_num, + unsigned long __user ioctl_param) +{ + unsigned int ioctl_nr = _IOC_NR(ioctl_num); + + return (long)msm_audio_ion_ioctl(file, ioctl_nr, ioctl_param); +} + static int __audio_mem_hyp_assign(struct device *dev, int *source_vms, int source_nelems, int *dest_vms, int *dest_perms, int dest_nelems) @@ -824,6 +835,7 @@ static const struct file_operations msm_audio_ion_fops = { .open = msm_audio_ion_open, .release = msm_audio_ion_release, .unlocked_ioctl = msm_audio_ion_ioctl, + .compat_ioctl = msm_audio_ion_compat_ioctl, }; static int msm_audio_ion_reg_chrdev(struct msm_audio_ion_private *ion_data) |