[dpdk-stable] [PATCH v2 1/2] raw/ifpga/base: unlock mutex when nios init fail

[Wei Huang <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