In opae_adapter_destroy(), pointer "adapter" is not validated before
passing it to opae_adapter_shm_free() and opae_adapter_mutex_close()
which dereference it.
Fixes: e41856b515ce ("raw/ifpga/base: enhance driver reliability in
multi-process")
Coverity issue: 363752
Signed-off-by: Wei Huang <wei.hu...@intel.com>
---
v2: fix typo in commit log
---
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
