Message ID | 20221121014623.769014-1-cuigaosheng1@huawei.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | [v2] usb: gadget: fusb300_udc: free irq on the error path in fusb300_probe() | expand |
On Mon, Nov 21, 2022 at 09:46:23AM +0800, Gaosheng Cui wrote: > When request_irq(ires1->start) failed in w5300_hw_probe(), irq ires->start > has not been freed, and on the clean_up3 error path, we also need to free > ires1->start irq. > > In addition, We need to add free_irq in fusb300_remove(), fix it. > > Fixes: 0fe6f1d1f612 ("usb: udc: add Faraday fusb300 driver") > Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> > --- > v2: > - Add free_irq in fusb300_remove(), thanks! > drivers/usb/gadget/udc/fusb300_udc.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c > index 9af8b415f303..d6b2f76d2662 100644 > --- a/drivers/usb/gadget/udc/fusb300_udc.c > +++ b/drivers/usb/gadget/udc/fusb300_udc.c > @@ -1347,6 +1347,7 @@ static int fusb300_remove(struct platform_device *pdev) > usb_del_gadget_udc(&fusb300->gadget); > iounmap(fusb300->reg); > free_irq(platform_get_irq(pdev, 0), fusb300); > + free_irq(platform_get_irq(pdev, 1), fusb300); > > fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); > for (i = 0; i < FUSB300_MAX_NUM_EP; i++) > @@ -1432,7 +1433,7 @@ static int fusb300_probe(struct platform_device *pdev) > IRQF_SHARED, udc_name, fusb300); > if (ret < 0) { > pr_err("request_irq1 error (%d)\n", ret); > - goto clean_up; > + goto clean_up2; "clean_up2" means nothing. Please give lables a proper name so that they can be understood easily. thanks, greg k-h
diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 9af8b415f303..d6b2f76d2662 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1347,6 +1347,7 @@ static int fusb300_remove(struct platform_device *pdev) usb_del_gadget_udc(&fusb300->gadget); iounmap(fusb300->reg); free_irq(platform_get_irq(pdev, 0), fusb300); + free_irq(platform_get_irq(pdev, 1), fusb300); fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); for (i = 0; i < FUSB300_MAX_NUM_EP; i++) @@ -1432,7 +1433,7 @@ static int fusb300_probe(struct platform_device *pdev) IRQF_SHARED, udc_name, fusb300); if (ret < 0) { pr_err("request_irq1 error (%d)\n", ret); - goto clean_up; + goto clean_up2; } INIT_LIST_HEAD(&fusb300->gadget.ep_list); @@ -1487,8 +1488,9 @@ static int fusb300_probe(struct platform_device *pdev) fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); clean_up3: + free_irq(ires1->start, fusb300); +clean_up2: free_irq(ires->start, fusb300); - clean_up: if (fusb300) { if (fusb300->ep0_req)
When request_irq(ires1->start) failed in w5300_hw_probe(), irq ires->start has not been freed, and on the clean_up3 error path, we also need to free ires1->start irq. In addition, We need to add free_irq in fusb300_remove(), fix it. Fixes: 0fe6f1d1f612 ("usb: udc: add Faraday fusb300 driver") Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> --- v2: - Add free_irq in fusb300_remove(), thanks! drivers/usb/gadget/udc/fusb300_udc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)