patches for DPDK stable branches
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From: Wei Huang <wei.huang@intel.com>
To: dev@dpdk.org, rosen.xu@intel.com, qi.z.zhang@intel.com
Cc: stable@dpdk.org, Wei Huang <wei.huang@intel.com>
Subject: [dpdk-stable] [PATCH v2 1/2] raw/ifpga/base: unlock mutex when nios init fail
Date: Wed,  4 Nov 2020 21:05:39 -0500
Message-ID: <1604541940-5994-2-git-send-email-wei.huang@intel.com> (raw)
In-Reply-To: <1604541940-5994-1-git-send-email-wei.huang@intel.com>

In fme_nios_spi_init(), a mutex is locked for protecting nios
initialization process, the mutex is only unlocked when process
is successful, it should also be unlocked when process fail.

Fixes: e41856b515ce ("raw/ifpga/base: enhance driver reliability in multi-process")
Coverity issue: 363751

Signed-off-by: Wei Huang <wei.huang@intel.com>
---
 drivers/raw/ifpga/base/ifpga_fme.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/raw/ifpga/base/ifpga_fme.c b/drivers/raw/ifpga/base/ifpga_fme.c
index 540bb1110..f29ff3159 100644
--- a/drivers/raw/ifpga/base/ifpga_fme.c
+++ b/drivers/raw/ifpga/base/ifpga_fme.c
@@ -1115,6 +1115,8 @@ static int fme_nios_spi_init(struct ifpga_feature *feature)
 	ret = nios_spi_wait_init_done(spi_master);
 	if (ret != 0) {
 		dev_err(fme, "FME NIOS_SPI init fail\n");
+		if (spi_master->mutex)
+			pthread_mutex_unlock(spi_master->mutex);
 		goto release_dev;
 	}
 
-- 
2.29.2


  reply	other threads:[~2020-11-05  3:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05  2:05 [dpdk-stable] [PATCH v2 0/2] raw/ifpga/base: fix defects found by coverity scan Wei Huang
2020-11-05  2:05 ` Wei Huang [this message]
2020-11-05 11:32   ` [dpdk-stable] [PATCH v2 1/2] raw/ifpga/base: unlock mutex when nios init fail Xu, Rosen
2020-11-05  2:05 ` [dpdk-stable] [PATCH v2 2/2] raw/ifpga/base: check pointer adapter before dereference Wei Huang
2020-11-05 11:32   ` Xu, Rosen
2020-11-09  9:41 ` [dpdk-stable] [PATCH v2 0/2] raw/ifpga/base: fix defects found by coverity scan Zhang, Qi Z

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