1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 881934c068c8..c250a31efa53 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1017,7 +1017,7 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count,
                 }
         }
 
-        if (dev->proto == 0 && count > dev->rlen - dev->rpos) {
+        if (dev->proto == 0 && count > dev->rlen - dev->rpos && i) {
                 DEBUGP(4, dev, "T=0 and count > buffer\n");
                 dev->rbuf[i] = dev->rbuf[i - 1];
                 dev->rbuf[i - 1] = dev->procbyte;