1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index 5fb9894b157f..77080cc5fa0a 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -194,6 +194,16 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
         ctx->mmio_err_ff = !!(work.flags & CXL_START_WORK_ERR_FF);
 
         /*
+         * Increment the mapped context count for adapter. This also checks
+         * if adapter_context_lock is taken.
+         */
+        rc = cxl_adapter_context_get(ctx->afu->adapter);
+        if (rc) {
+                afu_release_irqs(ctx, ctx);
+                goto out;
+        }
+
+        /*
          * We grab the PID here and not in the file open to allow for the case
          * where a process (master, some daemon, etc) has opened the chardev on
          * behalf of another process, so the AFU's mm gets bound to the process
@@ -205,11 +215,16 @@ static long afu_ioctl_start_work(struct cxl_context *ctx,
         ctx->pid = get_task_pid(current, PIDTYPE_PID);
         ctx->glpid = get_task_pid(current->group_leader, PIDTYPE_PID);
 
+
         trace_cxl_attach(ctx, work.work_element_descriptor, work.num_interrupts, amr);
 
         if ((rc = cxl_ops->attach_process(ctx, false, work.work_element_descriptor,
                                                         amr))) {
                 afu_release_irqs(ctx, ctx);
+                cxl_adapter_context_put(ctx->afu->adapter);
+                put_pid(ctx->glpid);
+                put_pid(ctx->pid);
+                ctx->glpid = ctx->pid = NULL;
                 goto out;
         }