disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/infiniband/core/cma_configfs.c
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@@ -33,7 +33,10 @@
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 #include <linux/module.h>
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 #include <linux/configfs.h>
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 #include <rdma/ib_verbs.h>
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+#include <rdma/rdma_cm.h>
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+
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 #include "core_priv.h"
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+#include "cma_priv.h"
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 struct cma_device;
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@@ -65,7 +68,7 @@
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 static bool filter_by_name(struct ib_device *ib_dev, void *cookie)
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 {
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-	return !strcmp(ib_dev->name, cookie);
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+	return !strcmp(dev_name(&ib_dev->dev), cookie);
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 }
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 static int cma_configfs_params_get(struct config_item *item,
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@@ -91,7 +94,7 @@
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 static void cma_configfs_params_put(struct cma_device *cma_dev)
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 {
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-	cma_deref_dev(cma_dev);
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+	cma_dev_put(cma_dev);
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 }
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 static ssize_t default_roce_mode_show(struct config_item *item,
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@@ -120,15 +123,18 @@
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 {
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 	struct cma_device *cma_dev;
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 	struct cma_dev_port_group *group;
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-	int gid_type = ib_cache_gid_parse_type_str(buf);
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+	int gid_type;
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 	ssize_t ret;
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-
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-	if (gid_type < 0)
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-		return -EINVAL;
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 	ret = cma_configfs_params_get(item, &cma_dev, &group);
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 	if (ret)
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 		return ret;
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+
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+	gid_type = ib_cache_gid_parse_type_str(buf);
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+	if (gid_type < 0) {
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+		cma_configfs_params_put(cma_dev);
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+		return -EINVAL;
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+	}
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 	ret = cma_set_default_gid_type(cma_dev, group->port_num, gid_type);
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@@ -215,7 +221,7 @@
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 	}
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 	for (i = 0; i < ports_num; i++) {
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-		char port_str[10];
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+		char port_str[11];
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 		ports[i].port_num = i + 1;
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 		snprintf(port_str, sizeof(port_str), "%u", i + 1);
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@@ -309,12 +315,12 @@
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 	configfs_add_default_group(&cma_dev_group->ports_group,
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 			&cma_dev_group->device_group);
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-	cma_deref_dev(cma_dev);
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+	cma_dev_put(cma_dev);
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 	return &cma_dev_group->device_group;
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 fail:
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 	if (cma_dev)
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-		cma_deref_dev(cma_dev);
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+		cma_dev_put(cma_dev);
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 	kfree(cma_dev_group);
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 	return ERR_PTR(err);
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 }
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@@ -352,12 +358,18 @@
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 int __init cma_configfs_init(void)
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 {
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+	int ret;
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+
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 	config_group_init(&cma_subsys.su_group);
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 	mutex_init(&cma_subsys.su_mutex);
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-	return configfs_register_subsystem(&cma_subsys);
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+	ret = configfs_register_subsystem(&cma_subsys);
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+	if (ret)
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+		mutex_destroy(&cma_subsys.su_mutex);
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+	return ret;
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 }
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 void __exit cma_configfs_exit(void)
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 {
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 	configfs_unregister_subsystem(&cma_subsys);
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+	mutex_destroy(&cma_subsys.su_mutex);
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 }