* [dpdk-dev] [PATCH v1 0/2] Fix defects found by coverity scan
@ 2020-11-05 1:49 Wei Huang
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail Wei Huang
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence Wei Huang
0 siblings, 2 replies; 5+ messages in thread
From: Wei Huang @ 2020-11-05 1:49 UTC (permalink / raw)
To: dev, rosen.xu, qi.z.zhang; +Cc: stable, Wei Huang
Two issues are introduced from previous patch, one resides in
ifpga_fme.c and the other resides in opae_hw_api.c. Below two
patches are provided to fix them separately.
Wei Huang (2):
raw/ifpga/base: unlock mutex when nios init fail
raw/ifpga/base: check pointer adapter before derefence
drivers/raw/ifpga/base/ifpga_fme.c | 2 ++
drivers/raw/ifpga/base/opae_hw_api.c | 10 ++++++----
2 files changed, 8 insertions(+), 4 deletions(-)
--
2.29.2
^ permalink raw reply [flat|nested] 5+ messages in thread
* [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail
2020-11-05 1:49 [dpdk-dev] [PATCH v1 0/2] Fix defects found by coverity scan Wei Huang
@ 2020-11-05 1:49 ` Wei Huang
2020-11-05 9:33 ` Zhang, Tianfei
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence Wei Huang
1 sibling, 1 reply; 5+ messages in thread
From: Wei Huang @ 2020-11-05 1:49 UTC (permalink / raw)
To: dev, rosen.xu, qi.z.zhang; +Cc: stable, Wei Huang
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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail Wei Huang
@ 2020-11-05 9:33 ` Zhang, Tianfei
0 siblings, 0 replies; 5+ messages in thread
From: Zhang, Tianfei @ 2020-11-05 9:33 UTC (permalink / raw)
To: Huang, Wei, dev, Xu, Rosen, Zhang, Qi Z; +Cc: stable, Huang, Wei
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Wei Huang
> Sent: 2020年11月5日 9:49
> To: dev@dpdk.org; Xu, Rosen <rosen.xu@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: stable@dpdk.org; Huang, Wei <wei.huang@intel.com>
> Subject: [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios
> init fail
>
> 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;
> }
>
Acked-by: Tianfei zhang <tianfei.zhang@intel.com>
> --
> 2.29.2
^ permalink raw reply [flat|nested] 5+ messages in thread
* [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence
2020-11-05 1:49 [dpdk-dev] [PATCH v1 0/2] Fix defects found by coverity scan Wei Huang
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail Wei Huang
@ 2020-11-05 1:49 ` Wei Huang
2020-11-05 9:35 ` Zhang, Tianfei
1 sibling, 1 reply; 5+ messages in thread
From: Wei Huang @ 2020-11-05 1:49 UTC (permalink / raw)
To: dev, rosen.xu, qi.z.zhang; +Cc: stable, Wei Huang
In opae_adapter_destroy(), pointer "adapter" is not validated before
passing it to opae_adapter_shm_free() and opae_adapter_mutex_close()
which derefence it.
Fixes: e41856b515ce ("raw/ifpga/base: enhance driver reliability in multi-process")
Coverity issue: 363752
Signed-off-by: Wei Huang <wei.huang@intel.com>
---
drivers/raw/ifpga/base/opae_hw_api.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/raw/ifpga/base/opae_hw_api.c b/drivers/raw/ifpga/base/opae_hw_api.c
index 600afdea1..d5cd5fe60 100644
--- a/drivers/raw/ifpga/base/opae_hw_api.c
+++ b/drivers/raw/ifpga/base/opae_hw_api.c
@@ -605,10 +605,12 @@ int opae_adapter_enumerate(struct opae_adapter *adapter)
*/
void opae_adapter_destroy(struct opae_adapter *adapter)
{
- if (adapter && adapter->ops && adapter->ops->destroy)
- adapter->ops->destroy(adapter);
- opae_adapter_shm_free(adapter);
- opae_adapter_mutex_close(adapter);
+ if (adapter) {
+ if (adapter->ops && adapter->ops->destroy)
+ adapter->ops->destroy(adapter);
+ opae_adapter_shm_free(adapter);
+ opae_adapter_mutex_close(adapter);
+ }
}
/**
--
2.29.2
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence Wei Huang
@ 2020-11-05 9:35 ` Zhang, Tianfei
0 siblings, 0 replies; 5+ messages in thread
From: Zhang, Tianfei @ 2020-11-05 9:35 UTC (permalink / raw)
To: Huang, Wei, dev, Xu, Rosen, Zhang, Qi Z; +Cc: stable, Huang, Wei
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Wei Huang
> Sent: 2020年11月5日 9:49
> To: dev@dpdk.org; Xu, Rosen <rosen.xu@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: stable@dpdk.org; Huang, Wei <wei.huang@intel.com>
> Subject: [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter
> before derefence
>
> In opae_adapter_destroy(), pointer "adapter" is not validated before passing
> it to opae_adapter_shm_free() and opae_adapter_mutex_close() which
> derefence it.
>
> Fixes: e41856b515ce ("raw/ifpga/base: enhance driver reliability in
> multi-process") Coverity issue: 363752
>
> Signed-off-by: Wei Huang <wei.huang@intel.com>
> ---
> drivers/raw/ifpga/base/opae_hw_api.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/raw/ifpga/base/opae_hw_api.c
> b/drivers/raw/ifpga/base/opae_hw_api.c
> index 600afdea1..d5cd5fe60 100644
> --- a/drivers/raw/ifpga/base/opae_hw_api.c
> +++ b/drivers/raw/ifpga/base/opae_hw_api.c
> @@ -605,10 +605,12 @@ int opae_adapter_enumerate(struct opae_adapter
> *adapter)
> */
> void opae_adapter_destroy(struct opae_adapter *adapter) {
> - if (adapter && adapter->ops && adapter->ops->destroy)
> - adapter->ops->destroy(adapter);
> - opae_adapter_shm_free(adapter);
> - opae_adapter_mutex_close(adapter);
> + if (adapter) {
> + if (adapter->ops && adapter->ops->destroy)
> + adapter->ops->destroy(adapter);
> + opae_adapter_shm_free(adapter);
> + opae_adapter_mutex_close(adapter);
> + }
> }
Acked-by: Tianfei zhang <tianfei.zhang@intel.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-11-05 9:36 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2020-11-05 1:49 [dpdk-dev] [PATCH v1 0/2] Fix defects found by coverity scan Wei Huang
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 1/2] raw/ifpga/base: unlock mutex when nios init fail Wei Huang
2020-11-05 9:33 ` Zhang, Tianfei
2020-11-05 1:49 ` [dpdk-dev] [PATCH v1 2/2] raw/ifpga/base: check pointer adapter before derefence Wei Huang
2020-11-05 9:35 ` Zhang, Tianfei
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