[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, 3 insertions, 1 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 6fb76399547e..b120794c03a9 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -583,7 +583,9 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
         if (!(s->resource_setup_done))
                 return -EAGAIN; /* try again, but later... */
 
-        pcmcia_validate_mem(s);
+        if (pcmcia_validate_mem(s))
+                return -EAGAIN; /* try again, but later... */
+
         ret = pccard_validate_cis(s, BIND_FN_ALL, &cisinfo);
         if (ret || !cisinfo.Chains) {
                 ds_dbg(0, "invalid CIS or invalid resources\n");