Re: [PATCH] usb : musb : Fix null pointer dereference issue

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Dec 22, 2009 at 11:48:19AM +0100, ext Maulik Mankad wrote:
This patch fixes the following NULL pointer dereference issue.

Pointer 'request' returned from call to function 'next_request'
at line 748 may be NULL and may be dereferenced at line 792.

============
Code Snippet
============

748:  request = next_request(musb_ep);
785: if (dma && (csr & MUSB_RXCSR_DMAENAB)) {
	csr &= ~(MUSB_RXCSR_AUTOCLEAR
			| MUSB_RXCSR_DMAENAB
			| MUSB_RXCSR_DMAMODE);
	musb_writew(epio, MUSB_RXCSR,
		MUSB_RXCSR_P_WZC_BITS | csr);

792:	 request->actual += musb_ep->dma->actual_len;
		

Signed-off-by: Maulik Mankad <x0082077@xxxxxx>

applied, thanks

--
balbi
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux