linux-kernel - [PATCH 1/2] Staging: gasket: implement apex_get

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Message-Id: <20191028225926.8951-2-samuil.ivanovbg@gmail.com>
Date:   Tue, 29 Oct 2019 00:59:25 +0200
From:   Samuil Ivanov <samuil.ivanovbg@...il.com>
To:     rspringer@...gle.com, toddpoynor@...gle.com, benchan@...omium.org,
        gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Samuil Ivanov <samuil.ivanovbg@...il.com>
Subject: [PATCH 1/2] Staging: gasket: implement apex_get_status() to check driver status

>From the TODO:
- apex_get_status() should actually check status

The function now checkes the status of the driver

Signed-off-by: Samuil Ivanov <samuil.ivanovbg@...il.com>
---
 drivers/staging/gasket/apex_driver.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
index 46199c8ca441..a5dd6f3c367d 100644
--- a/drivers/staging/gasket/apex_driver.c
+++ b/drivers/staging/gasket/apex_driver.c
@@ -247,6 +247,9 @@ module_param(bypass_top_level, int, 0644);
 static int apex_get_status(struct gasket_dev *gasket_dev)
 {
 	/* TODO: Check device status. */
+	if (gasket_dev->status == GASKET_STATUS_DEAD)
+		return GASKET_STATUS_DEAD;
+
 	return GASKET_STATUS_ALIVE;
 }
 
-- 
2.17.1