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perf trace: Fix IS_ERR() vs NULL check bug

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The alloc_syscall_stats() function always returns an error pointer
(ERR_PTR) on failure.

So replace NULL check with IS_ERR() check after calling
delete_syscall_stats() function.

Fixes: ef2da619b1 ("perf trace: Convert syscall_stats to hashmap")
Signed-off-by: wangguangju <wangguangju@hygon.cn>
Reviewed-by: Howard Chu <howardchu95@gmail.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
wangguangju 2026-02-26 20:22:08 +08:00 committed by Namhyung Kim
parent 0feca0b788
commit 96f202eab8
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-trace.c
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@ -1573,7 +1573,7 @@ static void delete_syscall_stats(struct hashmap *syscall_stats)
struct hashmap_entry *pos;
size_t bkt;
if (syscall_stats == NULL)
if (IS_ERR(syscall_stats))
return;
hashmap__for_each_entry(syscall_stats, pos, bkt)