Merge "msm: adsprpc: store process specific info in GETINFO ioctl call" (43f48b51) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/char/adsprpc.c

+26 −18

Original line number	Diff line number	Diff line
		@@ -3942,11 +3942,8 @@ static int fastrpc_channel_open(struct fastrpc_file *fl)
		static int fastrpc_device_open(struct inode inode, struct file filp)
		{
		int err = 0;
		struct dentry *debugfs_file;
		struct fastrpc_file *fl = NULL;
		struct fastrpc_apps *me = &gfa;
		char strpid[PID_SIZE];
		int buf_size = 0;

		/*
		* Indicates the device node opened
		@@ -3965,18 +3962,6 @@ static int fastrpc_device_open(struct inode inode, struct file filp)
		if (err)
		return err;

		snprintf(strpid, PID_SIZE, "%d", current->pid);
		buf_size = strlen(current->comm) + strlen("_") + strlen(strpid) + 1;
		VERIFY(err, NULL != (fl->debug_buf = kzalloc(buf_size, GFP_KERNEL)));
		if (err) {
		kfree(fl);
		return err;
		}
		snprintf(fl->debug_buf, UL_SIZE, "%.10s%s%d",
		current->comm, "_", current->pid);
		debugfs_file = debugfs_create_file(fl->debug_buf, 0644, debugfs_root,
		fl, &debugfs_fops);

		fl->wake_source = wakeup_source_register(fl->debug_buf);
		if (IS_ERR_OR_NULL(fl->wake_source)) {
		pr_err("adsprpc: Error: %s: %s: wakeup_source_register failed with err %ld\n",
		@@ -3990,14 +3975,11 @@ static int fastrpc_device_open(struct inode inode, struct file filp)
		INIT_HLIST_HEAD(&fl->remote_bufs);
		INIT_HLIST_NODE(&fl->hn);
		fl->sessionid = 0;
		fl->tgid = current->tgid;
		fl->apps = me;
		fl->mode = FASTRPC_MODE_SERIAL;
		fl->cid = -1;
		fl->dev_minor = dev_minor;
		fl->init_mem = NULL;
		if (debugfs_file != NULL)
		fl->debugfs_file = debugfs_file;
		memset(&fl->perf, 0, sizeof(fl->perf));
		fl->qos_request = 0;
		fl->dsp_proc_init = 0;
		@@ -4011,12 +3993,38 @@ static int fastrpc_device_open(struct inode inode, struct file filp)
		return 0;
		}

		static int fastrpc_set_process_info(struct fastrpc_file *fl)
		{
		int err = 0, buf_size = 0;
		char strpid[PID_SIZE];

		fl->tgid = current->tgid;
		snprintf(strpid, PID_SIZE, "%d", current->pid);
		buf_size = strlen(current->comm) + strlen("_") + strlen(strpid) + 1;
		fl->debug_buf = kzalloc(buf_size, GFP_KERNEL);
		if (!fl->debug_buf) {
		err = -ENOMEM;
		return err;
		}
		snprintf(fl->debug_buf, UL_SIZE, "%.10s%s%d",
		current->comm, "_", current->pid);
		fl->debugfs_file = debugfs_create_file(fl->debug_buf, 0644,
		debugfs_root, fl, &debugfs_fops);
		if (!fl->debugfs_file)
		pr_warn("Error: %s: %s: failed to create debugfs file %s\n",
		current->comm, __func__, fl->debug_buf);
		return err;
		}

		static int fastrpc_get_info(struct fastrpc_file fl, uint32_t info)
		{
		int err = 0;
		uint32_t cid;

		VERIFY(err, fl != NULL);
		if (err)
		goto bail;
		err = fastrpc_set_process_info(fl);
		if (err)
		goto bail;
		if (fl->cid == -1) {