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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /drivers/tty/tty_buffer.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'drivers/tty/tty_buffer.c')
-rw-r--r--drivers/tty/tty_buffer.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 578aa7594b1..9121c1f7aee 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -449,11 +449,6 @@ static void flush_to_ldisc(struct work_struct *work)
tty_buffer_free(port, head);
continue;
}
- /* Ldisc or user is trying to flush the buffers
- we are feeding to the ldisc, stop feeding the
- line discipline as we want to empty the queue */
- if (test_bit(TTYP_FLUSHPENDING, &port->iflags))
- break;
if (!tty->receive_room)
break;
if (count > tty->receive_room)
@@ -465,17 +460,20 @@ static void flush_to_ldisc(struct work_struct *work)
disc->ops->receive_buf(tty, char_buf,
flag_buf, count);
spin_lock_irqsave(&buf->lock, flags);
+ /* Ldisc or user is trying to flush the buffers.
+ We may have a deferred request to flush the
+ input buffer, if so pull the chain under the lock
+ and empty the queue */
+ if (test_bit(TTYP_FLUSHPENDING, &port->iflags)) {
+ __tty_buffer_flush(port);
+ clear_bit(TTYP_FLUSHPENDING, &port->iflags);
+ wake_up(&tty->read_wait);
+ break;
+ }
}
clear_bit(TTYP_FLUSHING, &port->iflags);
}
- /* We may have a deferred request to flush the input buffer,
- if so pull the chain under the lock and empty the queue */
- if (test_bit(TTYP_FLUSHPENDING, &port->iflags)) {
- __tty_buffer_flush(port);
- clear_bit(TTYP_FLUSHPENDING, &port->iflags);
- wake_up(&tty->read_wait);
- }
spin_unlock_irqrestore(&buf->lock, flags);
tty_ldisc_deref(disc);