I haven't looked at the implications but we accidentally allow bs1 to
be negative. It makes my static checker complain.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index b0e8ffd..85a5744 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -1578,7 +1578,7 @@ static ssize_t buffer_write (struct device *dev, struct device_attribute *attr,
*e);
return -EINVAL;
}
- if (bs1 > NETIUCV_BUFSIZE_MAX) {
+ if (bs1 < 0 || bs1 > NETIUCV_BUFSIZE_MAX) {
IUCV_DBF_TEXT_(setup, 2,
"buffer_write: buffer size %d too large\n",
bs1);
--
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