sdio: handle cis end marker in link field

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
index 956bd7677502..6ba93f599281 100644
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -227,6 +227,10 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
                 if (ret)
                         break;
 
+                /* a size of 0xff also means we're done */
+                if (tpl_link == 0xff)
+                        break;
+
                 this = kmalloc(sizeof(*this) + tpl_link, GFP_KERNEL);
                 if (!this)
                         return -ENOMEM;