[PATCH v2 1/3] usb: musb: Handle nullpointer
flat view
STALE4752d
SUPERSEDED
From: Markus Pargmann <hidden>
Date: 2013-10-14 13:50:37
Subsystem:
musb multipoint high speed dual-role controller, the rest, usb subsystem · Maintainers:
Bin Liu, Linus Torvalds, Greg Kroah-Hartman
Revision v2 of 9 in this series.
Revisions (9)
- v1 [diff vs current]
- v2 current
- v2
- v2
- v2
- v2
- v3 [diff vs current]
- v3 [diff vs current]
- v3 [diff vs current]
When the device is connected to a host without a gadget driver, otg->gadget is NULL. Signed-off-by: Markus Pargmann <redacted> --- drivers/usb/musb/musb_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 18e877f..baa4f6a 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c@@ -654,7 +654,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, break; case OTG_STATE_B_PERIPHERAL: musb_g_suspend(musb); - musb->is_active = otg->gadget->b_hnp_enable; + musb->is_active = otg->gadget && + otg->gadget->b_hnp_enable; if (musb->is_active) { musb->xceiv->state = OTG_STATE_B_WAIT_ACON; dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n");
--
1.8.4.rc3