From: Gagandeep Singh <g.singh@nxp.com>
To: hemant.agrawal@nxp.com
Cc: Rohit Raj <rohit.raj@nxp.com>, stable@dpdk.org
Subject: [PATCH 8/9] bus/dpaa: remove redundant file descriptor check
Date: Wed, 3 Jul 2024 15:11:41 +0530 [thread overview]
Message-ID: <20240703094142.3021439-11-g.singh@nxp.com> (raw)
In-Reply-To: <20240703094142.3021439-1-g.singh@nxp.com>
From: Rohit Raj <rohit.raj@nxp.com>
This patch removes the redundant file descriptor check
Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")
Cc: stable@dpdk.org
Signed-off-by: Rohit Raj <rohit.raj@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/bus/dpaa/base/qbman/process.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/bus/dpaa/base/qbman/process.c b/drivers/bus/dpaa/base/qbman/process.c
index 3504ec97db..3e4622f606 100644
--- a/drivers/bus/dpaa/base/qbman/process.c
+++ b/drivers/bus/dpaa/base/qbman/process.c
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2011-2016 Freescale Semiconductor Inc.
- * Copyright 2017,2020 NXP
+ * Copyright 2017,2020,2022,2024 NXP
*
*/
#include <assert.h>
@@ -27,15 +27,16 @@ static int check_fd(void)
{
int ret;
- if (fd >= 0)
- return 0;
ret = pthread_mutex_lock(&fd_init_lock);
assert(!ret);
+
/* check again with the lock held */
if (fd < 0)
fd = open(PROCESS_PATH, O_RDWR);
+
ret = pthread_mutex_unlock(&fd_init_lock);
assert(!ret);
+
return (fd >= 0) ? 0 : -ENODEV;
}
--
2.25.1
prev parent reply other threads:[~2024-07-03 9:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240703094142.3021439-1-g.singh@nxp.com>
2024-07-03 9:41 ` [PATCH 4/9] bus/dpaa: fix bus scan for DMA devices Gagandeep Singh
2024-07-03 9:41 ` [PATCH 5/9] bus/dpaa: fix resource leak in variable dev Gagandeep Singh
2024-07-03 9:41 ` [PATCH 6/9] common/dpaax: fix IOVA table cleanup Gagandeep Singh
2024-07-03 9:41 ` [PATCH 7/9] common/dpaax: fix array overrun issue Gagandeep Singh
2024-07-03 9:41 ` Gagandeep Singh [this message]
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