[PATCH v3 1/2] media: qcom: camss: reducing the repitious error message string

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Introducing a new function camss_link_err to avoid repition of
same error message, improving code maintainability.

Signed-off-by: Vikram Sharma <quic_vikramsa@xxxxxxxxxxx>
---
 drivers/media/platform/qcom/camss/camss.c | 60 ++++++++++++++---------
 1 file changed, 37 insertions(+), 23 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 9fb31f4c18ad..520c5bc7a265 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -1993,6 +1993,26 @@ static int camss_init_subdevices(struct camss *camss)
 	return 0;
 }
 
+/*
+ * camss_link_entities - Register subdev nodes and create links
+ * camss_link_err - print error in case link creation fails
+ * @src_name: name for source of the link
+ * @sink_name: name for sink of the link
+ */
+inline void camss_link_err(struct camss *camss,
+			   const char *src_name,
+			   const char *sink_name,
+			   int ret)
+{
+	if (!camss || !src_name || !sink_name)
+		return;
+	dev_err(camss->dev,
+		"Failed to link %s->%s entities: %d\n",
+		src_name,
+		sink_name,
+		ret);
+}
+
 /*
  * camss_link_entities - Register subdev nodes and create links
  * @camss: CAMSS device
@@ -2012,11 +2032,10 @@ static int camss_link_entities(struct camss *camss)
 						    MSM_CSID_PAD_SINK,
 						    0);
 			if (ret < 0) {
-				dev_err(camss->dev,
-					"Failed to link %s->%s entities: %d\n",
-					camss->csiphy[i].subdev.entity.name,
-					camss->csid[j].subdev.entity.name,
-					ret);
+				camss_link_err(camss,
+					       camss->csiphy[i].subdev.entity.name,
+					       camss->csid[j].subdev.entity.name,
+					       ret);
 				return ret;
 			}
 		}
@@ -2031,11 +2050,10 @@ static int camss_link_entities(struct camss *camss)
 							    MSM_ISPIF_PAD_SINK,
 							    0);
 				if (ret < 0) {
-					dev_err(camss->dev,
-						"Failed to link %s->%s entities: %d\n",
-						camss->csid[i].subdev.entity.name,
-						camss->ispif->line[j].subdev.entity.name,
-						ret);
+					camss_link_err(camss, src_entity->name,
+						       camss->csid[i].subdev.entity.name,
+						       camss->ispif->line[j].subdev.entity.name,
+						       ret);
 					return ret;
 				}
 			}
@@ -2053,11 +2071,9 @@ static int camss_link_entities(struct camss *camss)
 								    MSM_VFE_PAD_SINK,
 								    0);
 					if (ret < 0) {
-						dev_err(camss->dev,
-							"Failed to link %s->%s entities: %d\n",
-							ispif->entity.name,
-							vfe->entity.name,
-							ret);
+						camss_link_err(camss, ispif->entity.name,
+							       vfe->entity.name,
+							       ret);
 						return ret;
 					}
 				}
@@ -2074,11 +2090,9 @@ static int camss_link_entities(struct camss *camss)
 								    MSM_VFE_PAD_SINK,
 								    0);
 					if (ret < 0) {
-						dev_err(camss->dev,
-							"Failed to link %s->%s entities: %d\n",
-							csid->entity.name,
-							vfe->entity.name,
-							ret);
+						camss_link_err(camss, csid->entity.name,
+							       vfe->entity.name,
+							       ret);
 						return ret;
 					}
 				}
@@ -2227,9 +2241,9 @@ static int camss_subdev_notifier_complete(struct v4l2_async_notifier *async)
 				input, MSM_CSIPHY_PAD_SINK,
 				MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED);
 			if (ret < 0) {
-				dev_err(camss->dev,
-					"Failed to link %s->%s entities: %d\n",
-					sensor->name, input->name, ret);
+				camss_link_err(camss, sensor->name,
+					       input->name,
+					       ret);
 				return ret;
 			}
 		}
-- 
2.25.1





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