[PATCH v1] gpudev: return EINVAL if invalid input pointer for free and unregister

[<eagostini@nvidia.com>]

From: Elena Agostini <eagostini@nvidia.com>

Signed-off-by: Elena Agostini <eagostini@nvidia.com>
---
 lib/gpudev/gpudev.c     | 10 ++++++++++
 lib/gpudev/rte_gpudev.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/lib/gpudev/gpudev.c b/lib/gpudev/gpudev.c
index 2b174d8bd5..97575ed979 100644
--- a/lib/gpudev/gpudev.c
+++ b/lib/gpudev/gpudev.c
@@ -576,6 +576,11 @@ rte_gpu_mem_free(int16_t dev_id, void *ptr)
 		return -rte_errno;
 	}
 
+	if (ptr == NULL) {
+		rte_errno = EINVAL;
+		return -rte_errno;
+	}
+
 	if (dev->ops.mem_free == NULL) {
 		rte_errno = ENOTSUP;
 		return -rte_errno;
@@ -619,6 +624,11 @@ rte_gpu_mem_unregister(int16_t dev_id, void *ptr)
 		return -rte_errno;
 	}
 
+	if (ptr == NULL) {
+		rte_errno = EINVAL;
+		return -rte_errno;
+	}
+
 	if (dev->ops.mem_unregister == NULL) {
 		rte_errno = ENOTSUP;
 		return -rte_errno;
diff --git a/lib/gpudev/rte_gpudev.h b/lib/gpudev/rte_gpudev.h
index fa3f3aad4f..02014328f6 100644
--- a/lib/gpudev/rte_gpudev.h
+++ b/lib/gpudev/rte_gpudev.h
@@ -394,6 +394,7 @@ __rte_alloc_size(2);
  *   0 on success, -rte_errno otherwise:
  *   - ENODEV if invalid dev_id
  *   - ENOTSUP if operation not supported by the driver
+ *   - EINVAL if input ptr is invalid
  *   - EPERM if driver error
  */
 __rte_experimental
@@ -442,6 +443,7 @@ int rte_gpu_mem_register(int16_t dev_id, size_t size, void *ptr);
  *   0 on success, -rte_errno otherwise:
  *   - ENODEV if invalid dev_id
  *   - ENOTSUP if operation not supported by the driver
+ *   - EINVAL if input ptr is invalid
  *   - EPERM if driver error
  */
 __rte_experimental
-- 
2.17.1