X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Fscsi.c;h=6913b0623167ca0c6d45d21862213a958cd215cf;hb=e93252faca2eb1a14b44369705be7c79eba2f037;hp=ee5f4dfdab149b7d5a52bf9d624d862c6d82233c;hpb=1aea6434eebd25e532d2e5ddabf2733af4e1ff0b;p=linux-2.6-microblaze.git

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index ee5f4dfdab14..6913b0623167 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -48,13 +48,13 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/completion.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/unistd.h>
 #include <linux/spinlock.h>
 #include <linux/kmod.h>
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
+#include <linux/mutex.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
@@ -135,9 +135,8 @@ struct scsi_request *scsi_allocate_request(struct scsi_device *sdev,
 	const int size = offset + sizeof(struct request);
 	struct scsi_request *sreq;
   
-	sreq = kmalloc(size, gfp_mask);
+	sreq = kzalloc(size, gfp_mask);
 	if (likely(sreq != NULL)) {
-		memset(sreq, 0, size);
 		sreq->sr_request = (struct request *)(((char *)sreq) + offset);
 		sreq->sr_device = sdev;
 		sreq->sr_host = sdev->host;
@@ -209,7 +208,7 @@ static struct scsi_host_cmd_pool scsi_cmd_dma_pool = {
 	.gfp_mask	= __GFP_DMA,
 };
 
-static DECLARE_MUTEX(host_cmd_pool_mutex);
+static DEFINE_MUTEX(host_cmd_pool_mutex);
 
 static struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost,
 					    gfp_t gfp_mask)
@@ -330,7 +329,7 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost)
 	 * Select a command slab for this host and create it if not
 	 * yet existant.
 	 */
-	down(&host_cmd_pool_mutex);
+	mutex_lock(&host_cmd_pool_mutex);
 	pool = (shost->unchecked_isa_dma ? &scsi_cmd_dma_pool : &scsi_cmd_pool);
 	if (!pool->users) {
 		pool->slab = kmem_cache_create(pool->name,
@@ -342,7 +341,7 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost)
 
 	pool->users++;
 	shost->cmd_pool = pool;
-	up(&host_cmd_pool_mutex);
+	mutex_unlock(&host_cmd_pool_mutex);
 
 	/*
 	 * Get one backup command for this host.
@@ -359,7 +358,7 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost)
 		kmem_cache_destroy(pool->slab);
 	return -ENOMEM;
  fail:
-	up(&host_cmd_pool_mutex);
+	mutex_unlock(&host_cmd_pool_mutex);
 	return -ENOMEM;
 
 }
@@ -381,10 +380,10 @@ void scsi_destroy_command_freelist(struct Scsi_Host *shost)
 		kmem_cache_free(shost->cmd_pool->slab, cmd);
 	}
 
-	down(&host_cmd_pool_mutex);
+	mutex_lock(&host_cmd_pool_mutex);
 	if (!--shost->cmd_pool->users)
 		kmem_cache_destroy(shost->cmd_pool->slab);
-	up(&host_cmd_pool_mutex);
+	mutex_unlock(&host_cmd_pool_mutex);
 }
 
 #ifdef CONFIG_SCSI_LOGGING
@@ -1244,10 +1243,9 @@ static int __init init_scsi(void)
 	if (error)
 		goto cleanup_sysctl;
 
-	for (i = 0; i < NR_CPUS; i++)
+	for_each_cpu(i)
 		INIT_LIST_HEAD(&per_cpu(scsi_done_q, i));
 
-	devfs_mk_dir("scsi");
 	printk(KERN_NOTICE "SCSI subsystem initialized\n");
 	return 0;
 
@@ -1272,7 +1270,6 @@ static void __exit exit_scsi(void)
 	scsi_exit_sysctl();
 	scsi_exit_hosts();
 	scsi_exit_devinfo();
-	devfs_remove("scsi");
 	scsi_exit_procfs();
 	scsi_exit_queue();
 }