patch-2.0.28 linux/fs/select.c

• Lines: 24
• Date: Mon Dec 30 15:57:02 1996
• Orig file: v2.0.27/linux/fs/select.c
• Orig date: Fri Jul 5 13:48:39 1996

diff -u --recursive --new-file v2.0.27/linux/fs/select.c linux/fs/select.c
@@ -122,17 +122,20 @@
 repeat:
 	current->state = TASK_INTERRUPTIBLE;
 	for (i = 0 ; i < n ; i++) {
-		if (FD_ISSET(i,in) && check(SEL_IN,wait,current->files->fd[i])) {
+		struct file * file = current->files->fd[i];
+		if (!file)
+			continue;
+		if (FD_ISSET(i,in) && check(SEL_IN,wait,file)) {
 			FD_SET(i, res_in);
 			count++;
 			wait = NULL;
 		}
-		if (FD_ISSET(i,out) && check(SEL_OUT,wait,current->files->fd[i])) {
+		if (FD_ISSET(i,out) && check(SEL_OUT,wait,file)) {
 			FD_SET(i, res_out);
 			count++;
 			wait = NULL;
 		}
-		if (FD_ISSET(i,ex) && check(SEL_EX,wait,current->files->fd[i])) {
+		if (FD_ISSET(i,ex) && check(SEL_EX,wait,file)) {
 			FD_SET(i, res_ex);
 			count++;
 			wait = NULL;