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RDMA: Convert sysfs kobject * show functions to use sysfs_emit()
Done with cocci script: @@ identifier k_show; identifier arg1, arg2, arg3; @@ ssize_t k_show(struct kobject * - arg1 + kobj , struct kobj_attribute * - arg2 + attr , char * - arg3 + buf ) { ... ( - arg1 + kobj | - arg2 + attr | - arg3 + buf ) ... } @@ identifier k_show; identifier kobj, attr, buf; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... return - sprintf(buf, + sysfs_emit(buf, ...); ...> } @@ identifier k_show; identifier kobj, attr, buf; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... return - snprintf(buf, PAGE_SIZE, + sysfs_emit(buf, ...); ...> } @@ identifier k_show; identifier kobj, attr, buf; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... return - scnprintf(buf, PAGE_SIZE, + sysfs_emit(buf, ...); ...> } @@ identifier k_show; identifier kobj, attr, buf; expression chr; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... return - strcpy(buf, chr); + sysfs_emit(buf, chr); ...> } @@ identifier k_show; identifier kobj, attr, buf; identifier len; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... len = - sprintf(buf, + sysfs_emit(buf, ...); ...> return len; } @@ identifier k_show; identifier kobj, attr, buf; identifier len; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... len = - snprintf(buf, PAGE_SIZE, + sysfs_emit(buf, ...); ...> return len; } @@ identifier k_show; identifier kobj, attr, buf; identifier len; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... len = - scnprintf(buf, PAGE_SIZE, + sysfs_emit(buf, ...); ...> return len; } @@ identifier k_show; identifier kobj, attr, buf; identifier len; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { <... - len += scnprintf(buf + len, PAGE_SIZE - len, + len += sysfs_emit_at(buf, len, ...); ...> return len; } @@ identifier k_show; identifier kobj, attr, buf; expression chr; @@ ssize_t k_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { ... - strcpy(buf, chr); - return strlen(buf); + return sysfs_emit(buf, chr); } Link: https://lore.kernel.org/r/7761c1efaebb96c432c85171d58405c25a824ccd.1602122880.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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@ -188,20 +188,18 @@ static ssize_t rtrs_clt_state_show(struct kobject *kobj,
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sess = container_of(kobj, struct rtrs_clt_sess, kobj);
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if (sess->state == RTRS_CLT_CONNECTED)
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return sprintf(page, "connected\n");
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return sysfs_emit(page, "connected\n");
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return sprintf(page, "disconnected\n");
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return sysfs_emit(page, "disconnected\n");
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}
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static struct kobj_attribute rtrs_clt_state_attr =
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__ATTR(state, 0444, rtrs_clt_state_show, NULL);
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static ssize_t rtrs_clt_reconnect_show(struct kobject *kobj,
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struct kobj_attribute *attr,
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char *page)
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struct kobj_attribute *attr, char *buf)
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{
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return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
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attr->attr.name);
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return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
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}
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static ssize_t rtrs_clt_reconnect_store(struct kobject *kobj,
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@ -229,11 +227,9 @@ static struct kobj_attribute rtrs_clt_reconnect_attr =
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rtrs_clt_reconnect_store);
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static ssize_t rtrs_clt_disconnect_show(struct kobject *kobj,
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struct kobj_attribute *attr,
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char *page)
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struct kobj_attribute *attr, char *buf)
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{
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return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
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attr->attr.name);
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return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
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}
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static ssize_t rtrs_clt_disconnect_store(struct kobject *kobj,
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@ -261,11 +257,9 @@ static struct kobj_attribute rtrs_clt_disconnect_attr =
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rtrs_clt_disconnect_store);
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static ssize_t rtrs_clt_remove_path_show(struct kobject *kobj,
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struct kobj_attribute *attr,
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char *page)
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struct kobj_attribute *attr, char *buf)
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{
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return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
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attr->attr.name);
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return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
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}
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static ssize_t rtrs_clt_remove_path_store(struct kobject *kobj,
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@ -328,7 +322,7 @@ static ssize_t rtrs_clt_hca_port_show(struct kobject *kobj,
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sess = container_of(kobj, typeof(*sess), kobj);
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return scnprintf(page, PAGE_SIZE, "%u\n", sess->hca_port);
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return sysfs_emit(page, "%u\n", sess->hca_port);
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}
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static struct kobj_attribute rtrs_clt_hca_port_attr =
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@ -342,7 +336,7 @@ static ssize_t rtrs_clt_hca_name_show(struct kobject *kobj,
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sess = container_of(kobj, struct rtrs_clt_sess, kobj);
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return scnprintf(page, PAGE_SIZE, "%s\n", sess->hca_name);
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return sysfs_emit(page, "%s\n", sess->hca_name);
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}
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static struct kobj_attribute rtrs_clt_hca_name_attr =
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@ -27,11 +27,9 @@ static struct kobj_type ktype = {
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};
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static ssize_t rtrs_srv_disconnect_show(struct kobject *kobj,
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struct kobj_attribute *attr,
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char *page)
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struct kobj_attribute *attr, char *buf)
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{
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return scnprintf(page, PAGE_SIZE, "Usage: echo 1 > %s\n",
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attr->attr.name);
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return sysfs_emit(buf, "Usage: echo 1 > %s\n", attr->attr.name);
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}
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static ssize_t rtrs_srv_disconnect_store(struct kobject *kobj,
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@ -72,8 +70,7 @@ static ssize_t rtrs_srv_hca_port_show(struct kobject *kobj,
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sess = container_of(kobj, typeof(*sess), kobj);
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usr_con = sess->s.con[0];
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return scnprintf(page, PAGE_SIZE, "%u\n",
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usr_con->cm_id->port_num);
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return sysfs_emit(page, "%u\n", usr_con->cm_id->port_num);
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}
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static struct kobj_attribute rtrs_srv_hca_port_attr =
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@ -87,8 +84,7 @@ static ssize_t rtrs_srv_hca_name_show(struct kobject *kobj,
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sess = container_of(kobj, struct rtrs_srv_sess, kobj);
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return scnprintf(page, PAGE_SIZE, "%s\n",
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sess->s.dev->ib_dev->name);
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return sysfs_emit(page, "%s\n", sess->s.dev->ib_dev->name);
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}
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static struct kobj_attribute rtrs_srv_hca_name_attr =
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