Re: [PATCH v2] usb: dwc3: host: remove dead code in dwc3_host_get_irq()

From: Oliver Neukum
Date: Thu Mar 23 2023 - 06:55:59 EST




On 23.03.23 11:29, Sergei Shtylyov wrote:
On 3/23/23 12:53 PM, Mingxuan Xiang wrote:

platform_get_irq() no longer returns 0, so there is no
need to check whether the return value is 0.

Signed-off-by: Mingxuan Xiang <mx_xiang@xxxxxxxxxxx>
---
v1->v2: remove redundant goto
drivers/usb/dwc3/host.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index f6f13e7f1ba1..ca1e8294e835 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -54,12 +54,8 @@ static int dwc3_host_get_irq(struct dwc3 *dwc)
irq = platform_get_irq(dwc3_pdev, 0);
if (irq > 0) {
dwc3_host_fill_xhci_irq_res(dwc, irq, NULL);
- goto out;
}

Now drop {} please. :-)

Well, no, please drop the whole patch.
If platform_get_irq() returns -EPROBE_DEFER you now give that
as a return value.

This tiny bit of optimization is not worth changing semantics.

Regards
Oliver