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perf: Remove perf_event_attr::type check

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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 <[email protected]>
Cc: Robert Richter <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Lin Ming 2011-06-30 08:09:55 +00:00 • committed by Ingo Molnar
commit 9985c20f9e
1 changed files with 0 additions and 7 deletions
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7
kernel/events/core.c
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@ -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;