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[PATCH] tty: use NULL for ptrs 

Fix sparse warning in tty_io:
drivers/char/tty_io.c:1536:34: warning: Using plain integer as NULL pointer

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Randy Dunlap 2007-02-20 13:58:05 -08:00 committed by Linus Torvalds
parent 262d9b0130
commit 23cac8debc
1 changed files with 1 additions and 1 deletions
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2
drivers/char/tty_io.c
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@ -1533,7 +1533,7 @@ void disassociate_ctty(int on_exit)
spin_lock_irq(&current->sighand->siglock);
tty_pgrp = current->signal->tty_old_pgrp;
current->signal->tty_old_pgrp = 0;
current->signal->tty_old_pgrp = NULL;
spin_unlock_irq(&current->sighand->siglock);
put_pid(tty_pgrp);