mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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100 lines
3.3 KiB
Diff
100 lines
3.3 KiB
Diff
From fc787ebd71fa231cc7dd2a0d5f2208da0527096a Mon Sep 17 00:00:00 2001
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From: Katish Paran <kparan@codeaurora.org>
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Date: Fri, 31 Jan 2014 12:00:37 +0530
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Subject: diag: dci: Index DCI client table by client id
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Diag driver maintains a table of all DCI clients. This table
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is currently indexed by the PID of the clients. Make changes
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to index the table base on an unique client id.
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Change-Id: I57bfab9eae1381882b8eb6270d7ac212e0aaf271
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CRs-fixed: 590721
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Signed-off-by: Katish Paran <kparan@codeaurora.org>
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---
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drivers/char/diag/diag_dci.c | 16 ++++++++++++++++
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drivers/char/diag/diag_dci.h | 4 ++++
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drivers/char/diag/diagchar_core.c | 4 +++-
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3 files changed, 23 insertions(+), 1 deletion(-)
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diff --git a/drivers/char/diag/diag_dci.c b/drivers/char/diag/diag_dci.c
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index 37c236d..0edfdad 100644
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--- a/drivers/char/diag/diag_dci.c
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+++ b/drivers/char/diag/diag_dci.c
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@@ -847,6 +847,22 @@ int diag_process_dci_transaction(unsigned char *buf, int len)
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return ret;
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}
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+int diag_dci_find_client_index_health(int client_id)
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+{
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+ int i, ret = DCI_CLIENT_INDEX_INVALID;
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+
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+ for (i = 0; i < MAX_DCI_CLIENTS; i++) {
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+ if (driver->dci_client_tbl[i].client != NULL) {
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+ if (driver->dci_client_tbl[i].client_id ==
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+ client_id) {
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+ ret = i;
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+ break;
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+ }
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+ }
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+ }
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+ return ret;
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+}
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+
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int diag_dci_find_client_index(int client_id)
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{
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int i, ret = DCI_CLIENT_INDEX_INVALID;
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diff --git a/drivers/char/diag/diag_dci.h b/drivers/char/diag/diag_dci.h
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index 2ab8a36..870b0f3 100644
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--- a/drivers/char/diag/diag_dci.h
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+++ b/drivers/char/diag/diag_dci.h
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@@ -56,6 +56,7 @@ struct dci_pkt_req_entry_t {
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} __packed;
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struct diag_dci_client_tbl {
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+ uint32_t client_id;
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struct task_struct *client;
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uint16_t list; /* bit mask */
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int signal_type;
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@@ -74,6 +75,7 @@ struct diag_dci_client_tbl {
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/* This is used for DCI health stats */
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struct diag_dci_health_stats {
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+ int client_id;
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int dropped_logs;
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int dropped_events;
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int received_logs;
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@@ -119,6 +121,8 @@ int diag_process_smd_dci_read_data(struct diag_smd_info *smd_info, void *buf,
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int recd_bytes);
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int diag_process_dci_transaction(unsigned char *buf, int len);
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void extract_dci_pkt_rsp(struct diag_smd_info *smd_info, unsigned char *buf);
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+
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+int diag_dci_find_client_index_health(int client_id);
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int diag_dci_find_client_index(int client_id);
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/* DCI Log streaming functions */
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void create_dci_log_mask_tbl(unsigned char *tbl_buf);
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diff --git a/drivers/char/diag/diagchar_core.c b/drivers/char/diag/diagchar_core.c
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index 9a4e108..0e475c9 100644
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--- a/drivers/char/diag/diagchar_core.c
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+++ b/drivers/char/diag/diagchar_core.c
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@@ -943,6 +943,8 @@ long diagchar_ioctl(struct file *filp,
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for (i = 0; i < MAX_DCI_CLIENTS; i++) {
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if (driver->dci_client_tbl[i].client == NULL) {
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driver->dci_client_tbl[i].client = current;
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+ driver->dci_client_tbl[i].client_id =
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+ driver->dci_client_id;
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driver->dci_client_tbl[i].list =
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dci_params->list;
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driver->dci_client_tbl[i].signal_type =
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@@ -1043,7 +1045,7 @@ long diagchar_ioctl(struct file *filp,
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sizeof(struct diag_dci_health_stats)))
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return -EFAULT;
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mutex_lock(&dci_health_mutex);
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- i = diag_dci_find_client_index(current->tgid);
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+ i = diag_dci_find_client_index_health(stats.client_id);
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if (i != DCI_CLIENT_INDEX_INVALID) {
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dci_params = &(driver->dci_client_tbl[i]);
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stats.dropped_logs = dci_params->dropped_logs;
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--
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cgit v1.1
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