pcmcia: simplify pccard_validate_cis

As cisinfo_t only contains one unsigned_int, pccard_validate_cis can
be simplified by passing that around directly.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 562384d..ff07998 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -293,7 +293,7 @@
 		count = 0;
 	else {
 		struct pcmcia_socket *s;
-		cisinfo_t cisinfo;
+		unsigned int chains;
 
 		if (off + count > size)
 			count = size - off;
@@ -302,9 +302,9 @@
 
 		if (!(s->state & SOCKET_PRESENT))
 			return -ENODEV;
-		if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
+		if (pccard_validate_cis(s, BIND_FN_ALL, &chains))
 			return -EIO;
-		if (!cisinfo.Chains)
+		if (!chains)
 			return -ENODATA;
 
 		count = pccard_extract_cis(s, buf, off, count);