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BACKPORT: FROMGIT: binder: add tracepoint for netlink reports

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Add a tracepoint to capture the same details that are being sent through
the generic netlink interface during transaction failures. This provides
a useful debugging tool to observe the events independently from the
netlink listeners.

Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20250727182932.2499194-6-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 372832477
(cherry picked from commit 8a61a53b07f23ff12330086b293b6b492d35b8a0
 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-next)
Change-Id: I5185383180787d1a237b8f583306055081a9f0d9
[cmllamas: fixed missing t->is_reply]
Signed-off-by: Carlos Llamas <cmllamas@google.com>
This commit is contained in:
Carlos Llamas
2025-07-27 18:29:08 +00:00
committed by Treehugger Robot
parent 4b0bb18d1f
commit e6cf4b4e36
2 changed files with 40 additions and 0 deletions
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drivers/android/binder.c
+2
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@@ -3211,6 +3211,8 @@ static void binder_netlink_report(struct binder_proc *proc,
BINDER_NLGRP_REPORT))
return;
trace_binder_netlink_report(context, t, data_size, error, is_reply);
skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!skb)
return;