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TTY: n_hdlc, fix lockdep false positive

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am: 59c4d7838e

Change-Id: Ic6c91f3b505bb4883f85e1698d8729e7a6e040a6
This commit is contained in:
Jiri Slaby
2017-03-15 02:08:15 +00:00
committed by android-build-merger
parent 75a7736c2a 59c4d7838e
commit 877dc8bce6
1 changed files with 4 additions and 15 deletions
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19
drivers/tty/n_hdlc.c
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@@ -159,7 +159,6 @@ struct n_hdlc {
/*
* HDLC buffer list manipulation functions
*/
static void n_hdlc_buf_list_init(struct n_hdlc_buf_list *list);
static void n_hdlc_buf_put(struct n_hdlc_buf_list *list,
struct n_hdlc_buf *buf);
static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *list);
@@ -853,10 +852,10 @@ static struct n_hdlc *n_hdlc_alloc(void)
if (!n_hdlc)
return NULL;
n_hdlc_buf_list_init(&n_hdlc->rx_free_buf_list);
n_hdlc_buf_list_init(&n_hdlc->tx_free_buf_list);
n_hdlc_buf_list_init(&n_hdlc->rx_buf_list);
n_hdlc_buf_list_init(&n_hdlc->tx_buf_list);
spin_lock_init(&n_hdlc->rx_free_buf_list.spinlock);
spin_lock_init(&n_hdlc->tx_free_buf_list.spinlock);
spin_lock_init(&n_hdlc->rx_buf_list.spinlock);
spin_lock_init(&n_hdlc->tx_buf_list.spinlock);
/* allocate free rx buffer list */
for(i=0;i<DEFAULT_RX_BUF_COUNT;i++) {
@@ -884,16 +883,6 @@ static struct n_hdlc *n_hdlc_alloc(void)
} /* end of n_hdlc_alloc() */
/**
* n_hdlc_buf_list_init - initialize specified HDLC buffer list
* @list - pointer to buffer list
*/
static void n_hdlc_buf_list_init(struct n_hdlc_buf_list *list)
{
memset(list, 0, sizeof(*list));
spin_lock_init(&list->spinlock);
} /* end of n_hdlc_buf_list_init() */
/**
* n_hdlc_buf_put - add specified HDLC buffer to tail of specified list
* @list - pointer to buffer list