[patch] char/pcmcia: add some error checking in scr24x_read()

[Dan Carpenter]

The "ret = " assignment seems to have accidentally been left off.

Fixes: f2ed287bcc90 ("char/pcmcia: add scr24x_cs chip card interface driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/char/pcmcia/scr24x_cs.c b/drivers/char/pcmcia/scr24x_cs.c
index 4f215ce..8523ec5 100644
--- a/drivers/char/pcmcia/scr24x_cs.c
+++ b/drivers/char/pcmcia/scr24x_cs.c
@@ -157,7 +157,7 @@ static ssize_t scr24x_read(struct file *filp, char __user *buf, size_t count,
 		ret = -EIO;
 		goto out;
 	}
-	read_chunk(dev, CCID_HEADER_SIZE, len);
+	ret = read_chunk(dev, CCID_HEADER_SIZE, len);
 	if (ret < 0)
 		goto out;