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>

1 files changed, 0 insertions, 7 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0567e32d71aa..b8785e26ee1c 100644
--- 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;