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Fushuai Wang 1f823c6709 perf trace: Fix IS_ERR() vs NULL check bug ...

[ Upstream commit b0f4ade163 ]

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

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

Fixes: fc00897c8a ("perf trace: Add --summary-mode option")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-10-19 16:37:04 +02:00

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