From: Satish Kumar <x0124230@xxxxxx>
Checking for null pointer assignments in MUSB driver
Signed-off-by: Satish Kumar <x0124230@xxxxxx>
Signed-off-by: Damodar Santhapuri <x0132156@xxxxxx>
---
drivers/usb/musb/musb_gadget.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 9b3c937..002ddbe 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -110,6 +110,10 @@ __acquires(ep->musb->lock)
int busy = ep->busy;
req = to_musb_request(request);
+ if (req == NULL) {
+ DBG(3, "req might be NULL pointer");
+ return;
+ }
list_del(&request->list);
if (req->request.status == -EINPROGRESS) @@ -752,6 +756,10 @@ void musb_g_rx(struct musb *musb, u8 epnum)
musb_ep_select(mbase, epnum);
request = next_request(musb_ep);
+ if (request == NULL) {
+ DBG(3, "request might be NULL pointer");
+ return;
+ }
csr = musb_readw(epio, MUSB_RXCSR);
dma = is_dma_capable() ? musb_ep->dma : NULL;
--
1.5.4.3--
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