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authorAndrew Goodbody <[email protected]>2025-09-29 17:25:23 +0100
committerMattijs Korpershoek <[email protected]>2025-09-30 11:51:17 +0200
commitf58667587243ce652aaa7d0dd6557a2fb2da5020 (patch)
tree84ce777ebaee2d2726074c009bd5fc00ffe3ebc7 /drivers
parent3ce8a0e9115eaa0cdfc142459814b2283cf01785 (diff)
usb: gadget: atmel: Add missing null check
Add in the missing null check for udc->driver that is present at other points in the function before it is dereferenced. This issue was found by Smatch. Signed-off-by: Andrew Goodbody <[email protected]> Reviewed-by: Mattijs Korpershoek <[email protected]> Reviewed-by: Marek Vasut <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mattijs Korpershoek <[email protected]>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 72f68dba3a7..f7a92ded6da 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1147,7 +1147,7 @@ static int usba_udc_irq(struct usba_udc *udc)
reset_all_endpoints(udc);
if (udc->gadget.speed != USB_SPEED_UNKNOWN &&
- udc->driver->disconnect) {
+ udc->driver && udc->driver->disconnect) {
udc->gadget.speed = USB_SPEED_UNKNOWN;
spin_unlock(&udc->lock);
udc->driver->disconnect(&udc->gadget);