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perf expr: Fix return value of ids__new()

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callers of ids__new() function only do NULL checking for the return
value. ids__new() calles hashmap__new(), which may return
ERR_PTR(-ENOMEM).

Instead of changing the checking one-by-one return NULL instead of
ERR_PTR(-ENOMEM) to keep it consistent.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: German Gomez <german.gomez@arm.com>
Tested-by: German Gomez <german.gomez@arm.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20211214011030.20200-1-linmq006@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Miaoqian Lin
2021-12-14 01:10:27 +00:00
committed by Arnaldo Carvalho de Melo
parent ecf71de775
commit 9f3c16a430
1 changed files with 6 additions and 1 deletions
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7
tools/perf/util/expr.c
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@@ -66,7 +66,12 @@ static bool key_equal(const void *key1, const void *key2,
struct hashmap *ids__new(void) struct hashmap *ids__new(void)
{ {
return hashmap__new(key_hash, key_equal, NULL); struct hashmap *hash;
hash = hashmap__new(key_hash, key_equal, NULL);
if (IS_ERR(hash))
return NULL;
return hash;
} }
void ids__free(struct hashmap *ids) void ids__free(struct hashmap *ids)