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tty: fix leakage of -ERESTARTSYS to userland
[safe/jmp/linux-2.6]
/
drivers
/
char
/
tty_io.c
diff --git
a/drivers/char/tty_io.c
b/drivers/char/tty_io.c
index
75d2a46
..
3752edc
100644
(file)
--- a/
drivers/char/tty_io.c
+++ b/
drivers/char/tty_io.c
@@
-1148,7
+1148,8
@@
int tty_check_change(struct tty_struct * tty)
return 0;
if (is_current_pgrp_orphaned())
return -EIO;
- (void) kill_pgrp(task_pgrp(current), SIGTTOU, 1);
+ kill_pgrp(task_pgrp(current), SIGTTOU, 1);
+ set_thread_flag(TIF_SIGPENDING);
return -ERESTARTSYS;
}