pcmcia: use sysfs_emit{,_at} for sysfs output

Convert the PCMCIA core and yenta_socket.c to use sysfs_emit or
sysfs_emit_at when providing output in sysfs.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 1cac528..6b6c578 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -1082,7 +1082,7 @@ static ssize_t show_io_db(struct device *dev,
 	for (p = data->io_db.next; p != &data->io_db; p = p->next) {
 		if (ret > (PAGE_SIZE - 10))
 			continue;
-		ret += scnprintf(&buf[ret], (PAGE_SIZE - ret - 1),
+		ret += sysfs_emit_at(buf, ret,
 				"0x%08lx - 0x%08lx\n",
 				((unsigned long) p->base),
 				((unsigned long) p->base + p->num - 1));
@@ -1139,7 +1139,7 @@ static ssize_t show_mem_db(struct device *dev,
 	     p = p->next) {
 		if (ret > (PAGE_SIZE - 10))
 			continue;
-		ret += scnprintf(&buf[ret], (PAGE_SIZE - ret - 1),
+		ret += sysfs_emit_at(buf, ret,
 				"0x%08lx - 0x%08lx\n",
 				((unsigned long) p->base),
 				((unsigned long) p->base + p->num - 1));
@@ -1148,7 +1148,7 @@ static ssize_t show_mem_db(struct device *dev,
 	for (p = data->mem_db.next; p != &data->mem_db; p = p->next) {
 		if (ret > (PAGE_SIZE - 10))
 			continue;
-		ret += scnprintf(&buf[ret], (PAGE_SIZE - ret - 1),
+		ret += sysfs_emit_at(buf, ret,
 				"0x%08lx - 0x%08lx\n",
 				((unsigned long) p->base),
 				((unsigned long) p->base + p->num - 1));