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Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git]
/
drivers
/
char
/
tty_ioctl.c
diff --git
a/drivers/char/tty_ioctl.c
b/drivers/char/tty_ioctl.c
index
5859799
..
f19cf9d
100644
(file)
--- a/
drivers/char/tty_ioctl.c
+++ b/
drivers/char/tty_ioctl.c
@@
-476,11
+476,11
@@
int n_tty_ioctl(struct tty_struct * tty, struct file * file,
ld = tty_ldisc_ref(tty);
switch (arg) {
case TCIFLUSH:
ld = tty_ldisc_ref(tty);
switch (arg) {
case TCIFLUSH:
- if (ld->flush_buffer)
+ if (ld
&& ld
->flush_buffer)
ld->flush_buffer(tty);
break;
case TCIOFLUSH:
ld->flush_buffer(tty);
break;
case TCIOFLUSH:
- if (ld->flush_buffer)
+ if (ld
&& ld
->flush_buffer)
ld->flush_buffer(tty);
/* fall through */
case TCOFLUSH:
ld->flush_buffer(tty);
/* fall through */
case TCOFLUSH: