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Sat, 01 Aug 2026 03:12:45 -0700 (PDT) Received: from acer-nitro-anv15-41.entro.com ([118.34.230.2]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d04b120f2fsm16130565ad.64.2026.08.01.03.12.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Aug 2026 03:12:45 -0700 (PDT) From: Shaikh Kamaluddin To: Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Dan Williams , Ira Weiny , Li Ming , Robert Richter , Gregory Price Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] cxl: use %pe to print error pointers Date: Sat, 1 Aug 2026 15:42:17 +0530 Message-ID: <20260801101217.12778-1-shaikhkamal2012@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Make the code printing pointer error values simpler and address the coccinelle warnings: drivers/cxl/core/port.c:939:3-10: WARNING: Consider using %pe to print PTR_ERR() drivers/cxl/core/port.c:1275:25-32: WARNING: Consider using %pe to print PTR_ERR() drivers/cxl/core/port.c:1309:25-32: WARNING: Consider using %pe to print PTR_ERR() drivers/cxl/core/region.c:686:3-10: WARNING: Consider using %pe to print PTR_ERR() drivers/cxl/core/region.c:3778:13-20: WARNING: Consider using %pe to print PTR_ERR() The %pe specifier prints the error symbolically, so a failed dport addition reports -EBUSY rather than -16, which is easier to follow when tracing port and region setup with dynamic debug enabled. The PTR_ERR() uses in return statements are left unchanged. Signed-off-by: Shaikh Kamaluddin --- Tested with cxl config build in x86 Architecture drivers/cxl/core/port.c | 13 ++++++------- drivers/cxl/core/region.c | 8 ++++---- 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index 1215ee4f4035..c9875e6af9f6 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -932,11 +932,10 @@ struct cxl_port *devm_cxl_add_port(struct device *host, parent_port = parent_dport ? parent_dport->port : NULL; if (IS_ERR(port)) { - dev_dbg(uport_dev, "Failed to add%s%s%s: %ld\n", + dev_dbg(uport_dev, "Failed to add%s%s%s: %pe\n", parent_port ? " port to " : "", parent_port ? dev_name(&parent_port->dev) : "", - parent_port ? "" : " root port", - PTR_ERR(port)); + parent_port ? "" : " root port", port); } else { dev_dbg(uport_dev, "%s added%s%s%s\n", dev_name(&port->dev), @@ -1271,8 +1270,8 @@ struct cxl_dport *devm_cxl_add_dport(struct cxl_port *port, dport = __devm_cxl_add_dport(port, dport_dev, port_id, component_reg_phys, CXL_RESOURCE_NONE); if (IS_ERR(dport)) { - dev_dbg(dport_dev, "failed to add dport to %s: %ld\n", - dev_name(&port->dev), PTR_ERR(dport)); + dev_dbg(dport_dev, "failed to add dport to %s: %pe\n", + dev_name(&port->dev), dport); } else { dev_dbg(dport_dev, "dport added to %s\n", dev_name(&port->dev)); @@ -1305,8 +1304,8 @@ struct cxl_dport *devm_cxl_add_rch_dport(struct cxl_port *port, dport = __devm_cxl_add_dport(port, dport_dev, port_id, CXL_RESOURCE_NONE, rcrb); if (IS_ERR(dport)) { - dev_dbg(dport_dev, "failed to add RCH dport to %s: %ld\n", - dev_name(&port->dev), PTR_ERR(dport)); + dev_dbg(dport_dev, "failed to add RCH dport to %s: %pe\n", + dev_name(&port->dev), dport); } else { dev_dbg(dport_dev, "RCH dport added to %s\n", dev_name(&port->dev)); diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 1e211542b6b6..894df68a6074 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -682,8 +682,8 @@ static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size) dev_name(&cxlr->dev)); if (IS_ERR(res)) { dev_dbg(&cxlr->dev, - "HPA allocation error (%ld) for size:%pap in %s %pr\n", - PTR_ERR(res), &size, cxlrd->res->name, cxlrd->res); + "HPA allocation error (%pe) for size:%pap in %s %pr\n", + res, &size, cxlrd->res->name, cxlrd->res); return PTR_ERR(res); } @@ -3773,9 +3773,9 @@ static struct cxl_region *construct_region(struct cxl_root_decoder *cxlrd, if (IS_ERR(cxlr)) { dev_err(cxlmd->dev.parent, - "%s:%s: %s failed assign region: %ld\n", + "%s:%s: %s failed assign region: %pe\n", dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), - __func__, PTR_ERR(cxlr)); + __func__, cxlr); return cxlr; } base-commit: f5098b6bae761e346ebcd9da7f95622c04733cff -- 2.43.0