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Commit 166a7287 authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by James Bottomley
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[SCSI] fix scsi_setup_command_freelist failure path race 



Looks like that host_cmd_pool_mutex are necessary here.

Signed-off-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 210ba1d1

drivers/scsi/scsi.c

+2 −3
Original line number Diff line number Diff line
@@ -323,13 +323,12 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost) 
	return 0;



 fail2:

	mutex_lock(&host_cmd_pool_mutex);

	if (!--pool->users)

		kmem_cache_destroy(pool->slab);

	return -ENOMEM;

 fail:

	mutex_unlock(&host_cmd_pool_mutex);

	return -ENOMEM;



}



/**