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authorLin Ming <ming.m.lin@intel.com>2011-06-30 08:09:55 +0000
committerIngo Molnar <mingo@elte.hu>2011-07-21 20:41:55 +0200
commit9985c20f9e4aee6857c08246b273a3695a52b929 (patch)
treee2942d148c4cbd51ddcaa8c9b8e47229a31f6e34 /kernel/events
parentf53173e47dee5f7514d264796bec58d43ed0f67f (diff)
downloadop-kernel-dev-9985c20f9e4aee6857c08246b273a3695a52b929.zip
op-kernel-dev-9985c20f9e4aee6857c08246b273a3695a52b929.tar.gz
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>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0567e32..b8785e2 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;
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