diff options
| author | Geliang Tang <geliangtang@163.com> | 2015-12-19 00:34:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-24 20:55:33 -0800 |
| commit | 7b1585f2099ad65382b09f240e0c3ecdb7bfa92e (patch) | |
| tree | 9c1af91d55a4822bdf044dff7da2b0c21f362a87 /drivers/usb/host/oxu210hp-hcd.c | |
| parent | 553c23605717cf4754d9cf35e6428df85c271a39 (diff) | |
| download | lwn-7b1585f2099ad65382b09f240e0c3ecdb7bfa92e.tar.gz lwn-7b1585f2099ad65382b09f240e0c3ecdb7bfa92e.zip | |
usb: host: oxu210hp-hcd: use list_for_each_entry_safe
Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/oxu210hp-hcd.c')
| -rw-r--r-- | drivers/usb/host/oxu210hp-hcd.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index bc74aca8a54c..4e4d601af35c 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -981,7 +981,7 @@ static int qh_schedule(struct oxu_hcd *oxu, struct ehci_qh *qh); static unsigned qh_completions(struct oxu_hcd *oxu, struct ehci_qh *qh) { struct ehci_qtd *last = NULL, *end = qh->dummy; - struct list_head *entry, *tmp; + struct ehci_qtd *qtd, *tmp; int stopped; unsigned count = 0; int do_status = 0; @@ -1006,12 +1006,10 @@ static unsigned qh_completions(struct oxu_hcd *oxu, struct ehci_qh *qh) * then let the queue advance. * if queue is stopped, handles unlinks. */ - list_for_each_safe(entry, tmp, &qh->qtd_list) { - struct ehci_qtd *qtd; + list_for_each_entry_safe(qtd, tmp, &qh->qtd_list, qtd_list) { struct urb *urb; u32 token = 0; - qtd = list_entry(entry, struct ehci_qtd, qtd_list); urb = qtd->urb; /* Clean up any state from previous QTD ...*/ @@ -1174,14 +1172,11 @@ halt: * used for cleanup after errors, before HC sees an URB's TDs. */ static void qtd_list_free(struct oxu_hcd *oxu, - struct urb *urb, struct list_head *qtd_list) + struct urb *urb, struct list_head *head) { - struct list_head *entry, *temp; - - list_for_each_safe(entry, temp, qtd_list) { - struct ehci_qtd *qtd; + struct ehci_qtd *qtd, *temp; - qtd = list_entry(entry, struct ehci_qtd, qtd_list); + list_for_each_entry_safe(qtd, temp, head, qtd_list) { list_del(&qtd->qtd_list); oxu_qtd_free(oxu, qtd); } |