From: Pierre Ossman <drzeus@drzeus.cx>
Date: Thu, 5 Mar 2009 18:37:28 +0000 (+0100)
Subject: sdio: handle cis end marker in link field
X-Git-Tag: firefly_0821_release~14784^2~35
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0d6132ba0b006dd2bea9ba0c7b6b2f690cd95c40;p=firefly-linux-kernel-4.4.55.git

sdio: handle cis end marker in link field

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

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;