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linux-sg2042
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[SCSI] bsg: use better helper list functions 

This replace hlist_for_each and list_entry with hlist_for_each_entry
and list_first_entry respectively.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori 2008-03-31 10:03:40 +09:00 committed by James Bottomley
parent c3ff1b90d8
commit 43ac9e62c4
1 changed files with 6 additions and 8 deletions
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14
block/bsg.c
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@ -368,7 +368,7 @@ static struct bsg_command *bsg_next_done_cmd(struct bsg_device *bd)
spin_lock_irq(&bd->lock); spin_lock_irq(&bd->lock);
if (bd->done_cmds) { if (bd->done_cmds) {
bc = list_entry(bd->done_list.next, struct bsg_command, list); bc = list_first_entry(&bd->done_list, struct bsg_command, list);
list_del(&bc->list); list_del(&bc->list);
bd->done_cmds--; bd->done_cmds--;
} }
@ -772,21 +772,19 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
static struct bsg_device *__bsg_get_device(int minor) static struct bsg_device *__bsg_get_device(int minor)
{ {
struct bsg_device *bd = NULL; struct bsg_device *bd;
struct hlist_node *entry; struct hlist_node *entry;
mutex_lock(&bsg_mutex); mutex_lock(&bsg_mutex);
hlist_for_each(entry, bsg_dev_idx_hash(minor)) { hlist_for_each_entry(bd, entry, bsg_dev_idx_hash(minor), dev_list) {
bd = hlist_entry(entry, struct bsg_device, dev_list);
if (bd->minor == minor) { if (bd->minor == minor) {
atomic_inc(&bd->ref_count); atomic_inc(&bd->ref_count);
break; goto found;
} }
bd = NULL;
} }
bd = NULL;
found:
mutex_unlock(&bsg_mutex); mutex_unlock(&bsg_mutex);
return bd; return bd;
} }