On 9/29/25 6:40 PM, Andrew Goodbody wrote:
Add in the missing null check for dev->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]>
---
drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c
b/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c
index
fca052b4556a7d2ae4fe516e39820611d7082e2f..5a7f50ebaa5579f67ea5dc9491d0d1f4d4b81ea1
100644
--- a/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c
+++ b/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c
@@ -526,7 +526,7 @@ static int dwc2_udc_irq(int irq, void *_dev)
if (gotgint & GOTGINT_SES_END_DET) {
debug_cond(DEBUG_ISR, "\t\tSession End Detected\n");
/* Let gadget detect disconnected state */
- if (dev->driver->disconnect) {
+ if (dev->driver && dev->driver->disconnect) {
Reviewed-by: Marek Vasut <[email protected]>