[PATCH 5.4,4.10 1/2] perf cs-etm: Add missing variable in cs_etm__process_queues()

[Ben Hutchings <benh@debian.org>]

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Commit 5afd032961e8 "perf cs-etm: Don't flush when packet_queue fills
up" uses i as a loop counter in cs_etm__process_queues().  It was
backported to the 5.4 and 5.10 stable branches, but the i variable
doesn't exist there as it was only added in 5.15.

Declare i with the expected type.

Fixes: 1ed167325c32 ("perf cs-etm: Don't flush when packet_queue fills up")
Fixes: 26db806fa23e ("perf cs-etm: Don't flush when packet_queue fills up")
Signed-off-by: Ben Hutchings <benh@debian.org>
---
 tools/perf/util/cs-etm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index e3fa32b83367..2055d582a8a4 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -2171,7 +2171,7 @@ static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
 static int cs_etm__process_queues(struct cs_etm_auxtrace *etm)
 {
 	int ret = 0;
-	unsigned int cs_queue_nr, queue_nr;
+	unsigned int cs_queue_nr, queue_nr, i;
 	u8 trace_chan_id;
 	u64 timestamp;
 	struct auxtrace_queue *queue;


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