| commit | 56e34ee2adb59a35bfa5714bdf4dcb3f4d14a41d | |
| author | Roland Dreier <roland@purestorage.com> | |
| Tue, 14 Jun 2011 03:55:06 +0000 (13 20:55 -0700) | ||
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | |
| Fri, 22 Jul 2011 09:37:45 +0000 (22 09:37 +0000) | ||
| tree | 80ab54908f9cd603ef26cdcc634e70ddd34c6640 | treesnapshot (tar.gz zip) |
| parent | 78faae37897dc2a9ccc7c19155294a4bfdcae077 | commitdiff |
target: Make se_dev_check_online() locking IRQ-safe
se_dev_check_online() is called from transport_lookup_cmd_lun(), which
as discussed before may be called from interrupt context. So it needs
to use spin_lock_irqsave() instead of spin_lock_irq() to avoid
enabling interrupts at the wrong time.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
se_dev_check_online() is called from transport_lookup_cmd_lun(), which
as discussed before may be called from interrupt context. So it needs
to use spin_lock_irqsave() instead of spin_lock_irq() to avoid
enabling interrupts at the wrong time.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| drivers/target/target_core_device.c | diffblobblamehistory |