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tracing: Remove unused variable 'dups'

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Reported by Clang [-Wunused-but-set-variable]

'commit c193707dde ("tracing: Remove code which merges duplicates")'
This commit removed the code which merges duplicates in detect_dups(),
but forgot to delete the variable 'dups' which used to merge
duplicates in the loop.

Now only 'total_dups' is needed, remove 'dups' for clean code.

Link: https://lkml.kernel.org/r/20220930103236.253985-1-chenzhongjin@huawei.com

Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Chen Zhongjin 2022-09-30 18:32:36 +08:00 committed by Steven Rostedt (Google)
parent 0e0f0b74f8
commit ed87277f12
1 changed files with 2 additions and 3 deletions
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5
kernel/trace/tracing_map.c
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@ -961,7 +961,7 @@ create_sort_entry(void *key, struct tracing_map_elt *elt)
static void detect_dups(struct tracing_map_sort_entry **sort_entries,
int n_entries, unsigned int key_size)
{
unsigned int dups = 0, total_dups = 0;
unsigned int total_dups = 0;
int i;
void *key;
@ -974,11 +974,10 @@ static void detect_dups(struct tracing_map_sort_entry **sort_entries,
key = sort_entries[0]->key;
for (i = 1; i < n_entries; i++) {
if (!memcmp(sort_entries[i]->key, key, key_size)) {
dups++; total_dups++;
total_dups++;
continue;
}
key = sort_entries[i]->key;
dups = 0;
}
WARN_ONCE(total_dups > 0,