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staging: emxx_udc: remove unnecessary nullpointer checks 

This patch removes nullpointer checks which are redundant. container_of
returns structure containing entity which we know for sure is not null,
so the whole structure can not be null.

Signed-off-by: Arkadiusz Lis <areklis909@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arkadiusz Lis 2018-09-24 19:34:22 +02:00 committed by Greg Kroah-Hartman
parent 3d426daf09
commit 96ffa48c72
1 changed files with 2 additions and 22 deletions
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24
drivers/staging/emxx_udc/emxx_udc.c
View File

@ -2513,7 +2513,7 @@ static int nbu2ss_ep_enable(
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if ((!ep) || (!ep->udc)) {
if ((!ep->udc)) {
pr_err(" *** %s, ep == NULL !!\n", __func__);
return -EINVAL;
}
@ -2570,7 +2570,7 @@ static int nbu2ss_ep_disable(struct usb_ep *_ep)
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if ((!ep) || (!ep->udc)) {
if (!ep->udc) {
pr_err("udc: *** %s, ep == NULL !!\n", __func__);
return -EINVAL;
}
@ -2743,10 +2743,6 @@ static int nbu2ss_ep_dequeue(
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if (!ep) {
pr_err("%s, ep == NULL !!\n", __func__);
return -EINVAL;
}
udc = ep->udc;
if (!udc)
@ -2787,10 +2783,6 @@ static int nbu2ss_ep_set_halt(struct usb_ep *_ep, int value)
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if (!ep) {
pr_err("%s, bad ep\n", __func__);
return -EINVAL;
}
udc = ep->udc;
if (!udc) {
@ -2839,10 +2831,6 @@ static int nbu2ss_ep_fifo_status(struct usb_ep *_ep)
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if (!ep) {
pr_err("%s, bad ep\n", __func__);
return -EINVAL;
}
udc = ep->udc;
if (!udc) {
@ -2885,10 +2873,6 @@ static void nbu2ss_ep_fifo_flush(struct usb_ep *_ep)
}
ep = container_of(_ep, struct nbu2ss_ep, ep);
if (!ep) {
pr_err("udc: %s, bad ep\n", __func__);
return;
}
udc = ep->udc;
if (!udc) {
@ -2959,10 +2943,6 @@ static int nbu2ss_gad_wakeup(struct usb_gadget *pgadget)
}
udc = container_of(pgadget, struct nbu2ss_udc, gadget);
if (!udc) {
dev_err(&pgadget->dev, "%s, udc == NULL\n", __func__);
return -EINVAL;
}
data = gpio_get_value(VBUS_VALUE);
if (data == 0) {