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Commit 30119059 authored by xypron.glpk@gmx.de's avatar xypron.glpk@gmx.de Committed by David S. Miller
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net: irda: avoid null pointer dereference 



Only dereference variable self after checking it is not NULL.

Signed-off-by: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d1134128

drivers/net/irda/nsc-ircc.c

+2 −1
Original line number Diff line number Diff line
@@ -1253,7 +1253,7 @@ static void nsc_ircc_change_dongle_speed(int iobase, int speed, int dongle_id) 
 */

static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)

{

	struct net_device *dev = self->netdev;

	struct net_device *dev;

	__u8 mcr = MCR_SIR;

	int iobase; 

	__u8 bank;
@@ -1263,6 +1263,7 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed) 


	IRDA_ASSERT(self != NULL, return 0;);



	dev = self->netdev;

	iobase = self->io.fir_base;



	/* Update accounting for new speed */