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| /openbmc/linux/drivers/usb/musb/ |
| H A D | musb_gadget.c | diff 0abdc36f066ae20521b8c8d306725dd59a0d50aa Tue Dec 22 04:48:19 CST 2009 Maulik Mankad <x0082077@ti.com> USB: musb: Fix null pointer dereference issue
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@ti.com>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|