Merge remote-tracking branches 'regmap/topic/rbtree' and 'regmap/topic/update-offload...

[karo-tx-linux.git] / drivers / misc / cxl / file.c

diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index a30bf285b5bdd75c3f2b357d89dbab251bb98c7c..7ccd2998be92b8b3f7cdca2a0acbf3f9586d0f34 100644 (file)
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -120,9 +120,16 @@ int afu_release(struct inode *inode, struct file *file)
                 __func__, ctx->pe);
        cxl_context_detach(ctx);
 
-       mutex_lock(&ctx->mapping_lock);
-       ctx->mapping = NULL;
-       mutex_unlock(&ctx->mapping_lock);
+
+       /*
+        * Delete the context's mapping pointer, unless it's created by the
+        * kernel API, in which case leave it so it can be freed by reclaim_ctx()
+        */
+       if (!ctx->kernelapi) {
+               mutex_lock(&ctx->mapping_lock);
+               ctx->mapping = NULL;
+               mutex_unlock(&ctx->mapping_lock);
+       }
 
        put_device(&ctx->afu->dev);