From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48C042737FC; Sat, 12 Sep 2026 07:39:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789198749; cv=none; b=b5oJedkZ/AWtJa+U0nE1z22aZ5uVUEI+7hFvqeexJqQx/J44s5qn2O4nI4YD4GSjC3U9guSvHVU3pW8Wb1Q5ZPPoJRxd48TDa/Zsjee2KBCTT7aS9aRL4PFOt0dXc1wEasqEczUcQVvm7wkqxpxI5WZtx+PP+BoPgUd1RzRzN2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789198749; c=relaxed/simple; bh=UpDEyLpWZ6kwFyOf/h1aOcSsPV2AmBB9J1fsSxErzBA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UstE0LLo2sq3nDxE3nxDyoJLHt4aGC1rrzUDDw58+zGXv8KrO2dnW7ibmQBZLrmH/2eereSN1tJjTxkcaTU/wwoL87ItNDQA+kodXpCaJG7EXjRLl1rZ2ERgwggsQcZW1DhMXBdiZk9ad+4/5uDuKAiIjMdmAA9wCs/Gb4jUplk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tGb0LzeW; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tGb0LzeW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1AEAE1F000FF; Sat, 12 Sep 2026 07:39:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789198748; bh=6TdCMo8KUU4hBamna907n/ytBhYMOPf4hNg9mRn8iE8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=tGb0LzeWzlQPavhCXSPXc9PdbEHTjPH+AI+7cDJlxqll4j0BmwMtGRW5GycLwq/So yczW4gD79yPrDaTBTE9ryLz62oJOkeUIyl6W9lJe2gDlSNgRaWHjSntJg56GQmmVfP 85qDKeS17O8SCAi5sef8rutWGamgZld/htQoTF2o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hongling Zeng , Namhyung Kim , Sasha Levin Subject: [PATCH 7.2 0443/1815] perf: evsel: Fix error handling in tp_format lookup Date: Sat, 12 Sep 2026 08:36:33 +0200 Message-ID: <20260912065659.294455515@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065648.999753832@linuxfoundation.org> References: <20260912065648.999753832@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hongling Zeng [ Upstream commit 4968708beaad53940b67e4952e34a97d8768091d ] In evsel__tp_format(), when trace_event__tp_format*() returns an error, IS_ERR() checks the local variable 'tp_format', but PTR_ERR() incorrectly uses 'evsel->tp_format' which hasn't been assigned yet. Fix this by using PTR_ERR(tp_format) to extract the error code from the correct variable. Fixes: 6c8310e8380d ("perf evsel: Allow evsel__newtp without libtraceevent") Signed-off-by: Hongling Zeng Signed-off-by: Namhyung Kim Signed-off-by: Sasha Levin --- tools/perf/util/evsel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index d5f7dbce7588d..6b747b0864b38 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -706,7 +706,7 @@ struct tep_event *evsel__tp_format(struct evsel *evsel) tp_format = trace_event__tp_format(evsel->tp_sys, evsel->tp_name); if (IS_ERR(tp_format)) { - int err = -PTR_ERR(evsel->tp_format); + int err = -PTR_ERR(tp_format); errno = err; pr_err("Error getting tracepoint format '%s': %m\n", -- 2.53.0