Commit 9985c20f authored Jun 30, 2011 by Lin Ming Committed by Ingo Molnar Jul 21, 2011

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>

parent f53173e4

kernel/events/core.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -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;