From: Tomas Winkler <tomas.winkler@intel.com>
Date: Tue, 19 Jun 2012 06:13:34 +0000 (+0300)
Subject: mei: check for error codes that mei_flow_ctrl_creds retuns
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d20411588d2f47ded7b0a02ed1005c7e3ce0df40;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

mei: check for error codes that mei_flow_ctrl_creds retuns

we cannot use if(!mei_flow_ctrl_creds()) logic as
mei_flow_ctrl_creds also negative error codes

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 93936f1b75eb..83e80bc08d77 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -1326,7 +1326,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
 			continue;
 
 		if (cl != &dev->iamthif_cl) {
-			if (!mei_flow_ctrl_creds(dev, cl)) {
+			if (mei_flow_ctrl_creds(dev, cl) <= 0) {
 				dev_dbg(&dev->pdev->dev,
 					"No flow control"
 				    " credentials for client"
@@ -1343,7 +1343,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
 		} else if (cl == &dev->iamthif_cl) {
 			/* IAMTHIF IOCTL */
 			dev_dbg(&dev->pdev->dev, "complete amthi write cb.\n");
-			if (!mei_flow_ctrl_creds(dev, cl)) {
+			if (mei_flow_ctrl_creds(dev, cl) <= 0) {
 				dev_dbg(&dev->pdev->dev,
 					"No flow control"
 				    " credentials for amthi"