[PATCH] remove needless check in fs/read_write.c

nr_segs is unsigned long and thus cannot be negative.  We checked against 0
few lines before.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/read_write.c

@@ -470,7 +470,7 @@ static ssize_t do_readv_writev(int type, struct file *file,
 	 * verify all the pointers
 	 */
 	ret = -EINVAL;
-	if ((nr_segs > UIO_MAXIOV) || (nr_segs <= 0))
+	if (nr_segs > UIO_MAXIOV)
 		goto out;
 	if (!file->f_op)
 		goto out;