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[2a03:2880:31ff:12::face:b00c]) by smtp.gmail.com with ESMTPSA id m9-20020adfe949000000b0031128382ed0sm18845454wrn.83.2023.07.17.03.28.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jul 2023 03:28:14 -0700 (PDT) From: Breno Leitao To: Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams Cc: leit@meta.com, kernel test robot , linux-cxl@vger.kernel.org (open list:COMPUTE EXPRESS LINK (CXL)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] cxl/acpi: Use printk specifier for resource Date: Mon, 17 Jul 2023 03:26:20 -0700 Message-Id: <20230717102625.4083462-1-leitao@debian.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771663767584218005 X-GMAIL-MSGID: 1771663767584218005 Commit 3840e10e8dca ("cxl/acpi: Fix a use-after-free in cxl_parse_cfmws()") is using %llx to print resources pointers, but it is incorrect on 32-bits system, causing the following compilation warning on i386: drivers/cxl/acpi.c:300:4: warning: format specifies type 'unsigned long long' but the argument has type 'resource_size_t' (aka 'unsigned int') [-Wformat] Instead of using pointers to the resource, uses the proper printk specifier that knows how to handle the struct "resources". This is the new format, being printed now: Failed to add decode range: [mem 0x4080000000-0x2baffffffff flags 0x200] Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202307151059.2vvBt55H-lkp@intel.com/ Fixes: 3840e10e8dca ("cxl/acpi: Fix a use-after-free in cxl_parse_cfmws()") Suggested-by: Dan Williams Signed-off-by: Breno Leitao Reviewed-by: Dave Jiang Reviewed-by: Jonathan Cameron --- drivers/cxl/acpi.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index 815b43859c16..d1c559879dcc 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -296,8 +296,7 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg, else rc = cxl_decoder_autoremove(dev, cxld); if (rc) { - dev_err(dev, "Failed to add decode range [%#llx - %#llx]\n", - res->start, res->end); + dev_err(dev, "Failed to add decode range: %pr", res); return rc; } dev_dbg(dev, "add: %s node: %d range [%#llx - %#llx]\n",