[PATCH v2] ocxl: Fix potential memory leak on context creation

[Frederic Barrat]

If we couldn't fully init a context, we were leaking memory.

Fixes: b9721d275cc2 ("ocxl: Allow external drivers to use OpenCAPI contexts")
Signed-off-by: Frederic Barrat <fbarrat at linux.ibm.com>
---

Changelog:
v2: reset context pointer in case of allocation failure (Andrew)

 drivers/misc/ocxl/context.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/misc/ocxl/context.c b/drivers/misc/ocxl/context.c
index bab9c9364184..24e4fb010275 100644
--- a/drivers/misc/ocxl/context.c
+++ b/drivers/misc/ocxl/context.c
@@ -22,6 +22,8 @@ int ocxl_context_alloc(struct ocxl_context **context, struct ocxl_afu *afu,
 			afu->pasid_base + afu->pasid_max, GFP_KERNEL);
 	if (pasid < 0) {
 		mutex_unlock(&afu->contexts_lock);
+		kfree(*context);
+		*context = NULL;
 		return pasid;
 	}
 	afu->pasid_count++;
-- 
2.21.0