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a88f5eaa68
commit 37b164578826406a173ca7c20d9ba7430134d23e upstream. Kernel oops can cause the tty to be unreleaseable (for example, if n_tty_read() crashes while on the read_wait queue). This will cause tty_release() to endlessly loop without sleeping. Use a killable sleep timeout which grows by 2n+1 jiffies over the interval [0, 120 secs.) and then jumps to forever (but still killable). NB: killable just allows for the task to be rewoken manually, not to be terminated. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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.. | ||
hvc | ||
ipwireless | ||
serial | ||
vt | ||
amiserial.c | ||
bfin_jtag_comm.c | ||
cyclades.c | ||
ehv_bytechan.c | ||
goldfish.c | ||
isicom.c | ||
Kconfig | ||
Makefile | ||
metag_da.c | ||
moxa.c | ||
moxa.h | ||
mxser.c | ||
mxser.h | ||
n_gsm.c | ||
n_hdlc.c | ||
n_r3964.c | ||
n_tracerouter.c | ||
n_tracesink.c | ||
n_tracesink.h | ||
n_tty.c | ||
nozomi.c | ||
pty.c | ||
rocket.c | ||
rocket.h | ||
rocket_int.h | ||
synclink.c | ||
synclink_gt.c | ||
synclinkmp.c | ||
sysrq.c | ||
tty_audit.c | ||
tty_buffer.c | ||
tty_io.c | ||
tty_ioctl.c | ||
tty_ldisc.c | ||
tty_mutex.c | ||
tty_port.c |