perf python: Fix NULL vs IS_ERR_OR_NULL() checking
The function trace_event__tp_format_id may return ERR_PTR(-ENOMEM). Use IS_ERR_OR_NULL to check tp_format. Signed-off-by:Miaoqian Lin <linmq006@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <song@kernel.org> Link: http://lore.kernel.org/lkml/20211211053856.19827-1-linmq006@gmail.com Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
parent
6665b8e4
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