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Commit 4fa354c9 authored by Bart Van Assche's avatar Bart Van Assche Committed by Doug Ledford
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IB/srp: Make writing the add_target sysfs attr interruptible 



Avoid that shutdown of srp_daemon is delayed if add_target_mutex is
held by another process.

Signed-off-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 290081b4

drivers/infiniband/ulp/srp/ib_srp.c

+4 −1
Original line number Diff line number Diff line
@@ -3299,7 +3299,9 @@ static ssize_t srp_create_target(struct device *dev, 
	 */

	scsi_host_get(target->scsi_host);



	mutex_lock(&host->add_target_mutex);

	ret = mutex_lock_interruptible(&host->add_target_mutex);

	if (ret < 0)

		goto put;



	ret = srp_parse_options(buf, target);

	if (ret)
@@ -3455,6 +3457,7 @@ static ssize_t srp_create_target(struct device *dev, 
out:

	mutex_unlock(&host->add_target_mutex);



put:

	scsi_host_put(target->scsi_host);

	if (ret < 0)

		scsi_host_put(target->scsi_host);