Merge "msm: adsprpc: remove use of vfs_stat API in the fastrpc driver"

#include <linux/completion.h>

#include <linux/pagemap.h>

#include <linux/mm.h>

#include <linux/fs.h>

#include <linux/wait.h>

#include <linux/sched.h>

#include <linux/module.h>

#include <soc/qcom/service-notifier.h>

#include <soc/qcom/service-locator.h>

#include <linux/scatterlist.h>

#include <linux/fs.h>

#include <linux/uaccess.h>

#include <linux/device.h>

#include <linux/of.h>

	return err;

}

static int fastrpc_kstat(const char *filename, struct kstat *stat)

{

	int result;

	mm_segment_t fs_old;

	fs_old = get_fs();

	set_fs(KERNEL_DS);

	result = vfs_stat((const char __user *)filename, stat);

	set_fs(fs_old);

	return result;

}

static int fastrpc_send_cpuinfo_to_dsp(struct fastrpc_file *fl)

{

	int err = 0;

				uint32_t dsp_attr_buf_len,

				uint32_t domain)

{

	int err = 0, dsp_support = 0;

	int err = 0;

	struct fastrpc_ioctl_invoke_async ioctl;

	remote_arg_t ra[2];

	struct kstat sb;

	// Querying device about DSP support

	switch (domain) {

	case ADSP_DOMAIN_ID:

		if (!fastrpc_kstat("/dev/subsys_adsp", &sb))

			dsp_support = 1;

		break;

	case MDSP_DOMAIN_ID:

		//Modem not supported for fastRPC

		break;

	case SDSP_DOMAIN_ID:

		if (!fastrpc_kstat("/dev/subsys_slpi", &sb))

			dsp_support = 1;

		break;

	case CDSP_DOMAIN_ID:

		if (!fastrpc_kstat("/dev/subsys_cdsp", &sb))

			dsp_support = 1;

		break;

	default:

		dsp_support = 0;

		break;

	}

	dsp_attr_buf[0] = dsp_support;

	dsp_attr_buf[0] = 0;	// Capability filled in userspace

	if (dsp_support == 0)

	// Fastrpc to modem not supported

	if (domain == MDSP_DOMAIN_ID)

		goto bail;

	err = fastrpc_channel_open(fl);