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Commit 6330f9cf authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman
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staging: nvec: potential NULL dereference on error path 



We assume nvec->rx can be NULL earlier so I have added a check here as
well.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cb4855b4

drivers/staging/nvec/nvec.c

+2 −1
Original line number Diff line number Diff line
@@ -681,7 +681,8 @@ static irqreturn_t nvec_interrupt(int irq, void *dev) 
			dev_err(nvec->dev,

				"RX buffer overflow on %p: "

				"Trying to write byte %u of %u\n",

				nvec->rx, nvec->rx->pos, NVEC_MSG_SIZE);

				nvec->rx, nvec->rx ? nvec->rx->pos : 0,

				NVEC_MSG_SIZE);

		break;

	default:

		nvec->state = 0;