diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index c8a8af0fe47175abfe6c2f07aa36df9d0a07d2a5..a507d0b5be6c9c8bf31e2b4a3b22ed27a1e705c1 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -356,19 +356,16 @@ static ssize_t flash_write(struct file *file, const char __user *buf,
 
 	pos = *ppos;
 
-	if ( pos < 0) {
+	if (pos != 0) {
 		ret = -EINVAL;
 		goto bail;
 	}
 
-	if (pos >= sizeof(struct ipath_flash)) {
-		ret = 0;
+	if (count != sizeof(struct ipath_flash)) {
+		ret = -EINVAL;
 		goto bail;
 	}
 
-	if (count > sizeof(struct ipath_flash) - pos)
-		count = sizeof(struct ipath_flash) - pos;
-
 	tmp = kmalloc(count, GFP_KERNEL);
 	if (!tmp) {
 		ret = -ENOMEM;