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authorIngo Molnar <mingo@kernel.org>2017-08-21 10:45:19 +0300
committerIngo Molnar <mingo@kernel.org>2017-08-21 10:45:19 +0300
commit94edf6f3c20c9c8ee301bde04150a91bab4bf32c (patch)
tree4a2af658258cf42fde24c1224e44c3e6a18c2792 /drivers/ata/libata-eh.c
parentd5da6457bfadf64ff78f1816ae8329dbbba19513 (diff)
parent656e7c0c0a2e8d899f87fd7f081ea7a711146604 (diff)
downloadlinux-94edf6f3c20c9c8ee301bde04150a91bab4bf32c.tar.xz
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney: - Removal of spin_unlock_wait() - SRCU updates - Torture-test updates - Documentation updates - Miscellaneous fixes - CPU-hotplug fixes - Miscellaneous non-RCU fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 3dbd05532c09..e4effef0c83f 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -645,12 +645,11 @@ void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
* completions are honored. A scmd is determined to have
* timed out iff its associated qc is active and not failed.
*/
+ spin_lock_irqsave(ap->lock, flags);
if (ap->ops->error_handler) {
struct scsi_cmnd *scmd, *tmp;
int nr_timedout = 0;
- spin_lock_irqsave(ap->lock, flags);
-
/* This must occur under the ap->lock as we don't want
a polled recovery to race the real interrupt handler
@@ -700,12 +699,11 @@ void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
if (nr_timedout)
__ata_port_freeze(ap);
- spin_unlock_irqrestore(ap->lock, flags);
/* initialize eh_tries */
ap->eh_tries = ATA_EH_MAX_TRIES;
- } else
- spin_unlock_wait(ap->lock);
+ }
+ spin_unlock_irqrestore(ap->lock, flags);
}
EXPORT_SYMBOL(ata_scsi_cmd_error_handler);