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qseecom: change the number of bytes to compare app names 

keymaster app has two names with different length: "keymaster" and
"keymaste". To compare the app names correctly, the shorter name
length is choosen for memcmp in __qseecom_send_cmd.

Change-Id: I5f0dff7f9756362be40cc64985b65bc2268d734f
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
Signed-off-by: William Clark <wclark@codeaurora.org>
This commit is contained in:
William Clark 2014-07-03 15:32:13 -07:00 committed by Zhen Kong
parent 17ee33e761
commit d2b00662c5
1 changed files with 4 additions and 2 deletions
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6
drivers/misc/qseecom.c
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@ -1156,6 +1156,7 @@ static int __qseecom_send_cmd(struct qseecom_dev_handle *data,
unsigned long flags; unsigned long flags;
struct qseecom_registered_app_list *ptr_app; struct qseecom_registered_app_list *ptr_app;
bool found_app = false; bool found_app = false;
int name_len = 0;
reqd_len_sb_in = req->cmd_req_len + req->resp_len; reqd_len_sb_in = req->cmd_req_len + req->resp_len;
@ -1163,10 +1164,11 @@ static int __qseecom_send_cmd(struct qseecom_dev_handle *data,
spin_lock_irqsave(&qseecom.registered_app_list_lock, flags); spin_lock_irqsave(&qseecom.registered_app_list_lock, flags);
list_for_each_entry(ptr_app, &qseecom.registered_app_list_head, list_for_each_entry(ptr_app, &qseecom.registered_app_list_head,
list) { list) {
name_len = min(strlen(data->client.app_name),
strlen(ptr_app->app_name));
if ((ptr_app->app_id == data->client.app_id) && if ((ptr_app->app_id == data->client.app_id) &&
(!memcmp((void *)ptr_app->app_name, (!memcmp((void *)ptr_app->app_name,
(void *)data->client.app_name, (void *)data->client.app_name, name_len))) {
strlen(data->client.app_name)))) {
found_app = true; found_app = true;
break; break;
} }