[PATCH] pcmcia: validate_mem shouldn't be void

Add a return value to pcmcia_validate_mem.  Only if we have enough memory
available to map the CIS, we should proceed in trying to determine information
about the device.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index 0668384ebc8b..b02598a5a912 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -98,10 +98,12 @@ int pcmcia_adjust_resource_info(adjust_t *adj)
 }
 EXPORT_SYMBOL(pcmcia_adjust_resource_info);
 
-void pcmcia_validate_mem(struct pcmcia_socket *s)
+int pcmcia_validate_mem(struct pcmcia_socket *s)
 {
         if (s->resource_ops->validate_mem)
-                s->resource_ops->validate_mem(s);
+                return s->resource_ops->validate_mem(s);
+        /* if there is no callback, we can assume that everything is OK */
+        return 0;
 }
 EXPORT_SYMBOL(pcmcia_validate_mem);