diff options
| author | Andrew Goodbody <[email protected]> | 2025-09-29 17:40:43 +0100 |
|---|---|---|
| committer | Mattijs Korpershoek <[email protected]> | 2025-09-30 11:53:10 +0200 |
| commit | 5ac61383b2db15b037e87bd353f726eafc49e181 (patch) | |
| tree | 3a9ae7b11eb6027f64b0085cf77da2ab08133180 | |
| parent | f58667587243ce652aaa7d0dd6557a2fb2da5020 (diff) | |
usb: dwc2: Add missing null check
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]>
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]>
| -rw-r--r-- | drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c b/drivers/usb/gadget/dwc2_udc_otg_xfer_dma.c index fca052b4556..5a7f50ebaa5 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) { spin_unlock_irqrestore(&dev->lock, flags); dev->driver->disconnect(&dev->gadget); spin_lock_irqsave(&dev->lock, flags); |