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ANDROID: trace: net: use %pK for kernel pointers 

We want to use network trace events in production
builds, to help diagnose Wifi problems. However, we
don't want to expose raw kernel pointers in such
builds.

Change the format specifier for the skbaddr field,
so that, if kptr_restrict is enabled, the pointers
will be reported as 0.

Bug: 30090733
Change-Id: Ic4bd583d37af6637343601feca875ee24479ddff
Signed-off-by: mukesh agrawal <quiche@google.com>
Git-commit: 0020e178ac5c7069d45fef7ed1dafedf168dcfaf
Git-repo: https://android.googlesource.com/kernel/common.git
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
This commit is contained in:
mukesh agrawal 2016-07-12 11:28:05 -07:00 committed by syphyr
parent d529110659
commit c194121320
1 changed files with 2 additions and 2 deletions
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4
include/trace/events/net.h
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@ -32,7 +32,7 @@ TRACE_EVENT(net_dev_xmit,
__assign_str(name, dev->name);
),
TP_printk("dev=%s skbaddr=%p len=%u rc=%d",
TP_printk("dev=%s skbaddr=%pK len=%u rc=%d",
__get_str(name), __entry->skbaddr, __entry->len, __entry->rc)
);
@ -54,7 +54,7 @@ DECLARE_EVENT_CLASS(net_dev_template,
__assign_str(name, skb->dev->name);
),
TP_printk("dev=%s skbaddr=%p len=%u",
TP_printk("dev=%s skbaddr=%pK len=%u",
__get_str(name), __entry->skbaddr, __entry->len)
)