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Subject[PATCH v2 4/6] perf: Remove perf_event_attr::type check
Date
PMU type id can be allocated dynamically, so perf_event_attr::type check
when copying attribute from userspace to kernel is not valid.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
---
kernel/events/core.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 9f4f463..7bd8d5d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5928,13 +5928,6 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr,
if (ret)
return -EFAULT;

- /*
- * If the type exists, the corresponding creation will verify
- * the attr->config.
- */
- if (attr->type >= PERF_TYPE_MAX)
- return -EINVAL;
-
if (attr->__reserved_1)
return -EINVAL;

--
1.7.5.1


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