pcmcia: validate CIS, not CIS cache.

In pccard_validate_cis(), validate the card CIS, not the CIS cache.
Also, destroy the CIS cache if pccard_validate_cis fails.

Furthermore, do not remove the fake CIS in destroy_cis_cache() but
do so explicitely in the code paths where it makes sense.

Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 4f93889301b6..b886385f12e2 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -281,10 +281,9 @@ static int readable(struct pcmcia_socket *s, struct resource *res,
         s->cis_virt = ioremap(res->start, s->map_size);
         if (s->cis_virt) {
                 ret = pccard_validate_cis(s, count);
-                /* invalidate mapping and CIS cache */
+                /* invalidate mapping */
                 iounmap(s->cis_virt);
                 s->cis_virt = NULL;
-                destroy_cis_cache(s);
         }
         s->cis_mem.res = NULL;
         if ((ret != 0) || (*count == 0))