diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /drivers/misc/cxl/file.c | |
parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'drivers/misc/cxl/file.c')
-rw-r--r-- | drivers/misc/cxl/file.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index d0b421f49..77080cc5f 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 @@ -205,15 +215,6 @@ 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); - /* - * 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; - } trace_cxl_attach(ctx, work.work_element_descriptor, work.num_interrupts, amr); @@ -221,6 +222,9 @@ static long afu_ioctl_start_work(struct cxl_context *ctx, 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; } |