perf: Remove perf_event_attr::type check

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>
Cc: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1309421396-17438-4-git-send-email-ming.m.lin@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0567e32..b8785e2 100644 (file)
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5926,13 +5926,6 @@ 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;