Em Sat, 22 May 2010 22:59:21 +0200 Jean Delvare <khali@xxxxxxxxxxxx> escreveu: > Hi Dan, > > On Sat, 22 May 2010 22:15:35 +0200, Dan Carpenter wrote: > > I modified the dprintk and i2cdprintk macros to handle null dev and ir > > pointers. There are two couple places that call dprintk() when "dev" is > > null. One is in get_key_msi_tvanywhere_plus() and the other is in > > get_key_flydvb_trio(). > > > > Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> > > > > diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c > > index e5565e2..e14f2f8 100644 > > --- a/drivers/media/video/saa7134/saa7134-input.c > > +++ b/drivers/media/video/saa7134/saa7134-input.c > > @@ -61,9 +61,9 @@ MODULE_PARM_DESC(disable_other_ir, "disable full codes of " > > "alternative remotes from other manufacturers"); > > > > #define dprintk(fmt, arg...) if (ir_debug) \ > > - printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) > > + printk(KERN_DEBUG "%s/ir: " fmt, dev ? dev->name : "<null>", ## arg) > > #define i2cdprintk(fmt, arg...) if (ir_debug) \ > > - printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg) > > + printk(KERN_DEBUG "%s/ir: " fmt, ir ? ir->name : "<null>", ## arg) > > > > /* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */ > > static int saa7134_rc5_irq(struct saa7134_dev *dev); > > I would have used "(null)" instead of "<null>" for consistency with > lib/vsprintf.c:string(). > > But more importantly, I suspect that a better fix would be to not call > these macros when dev or ir, respectively, is NULL. The faulty dprintk > calls in get_key_msi_tvanywhere_plus() and get_key_flydvb_trio() could > be replaced with i2cdprintk (which is misnamed IMHO, BTW.) Agreed. Dan, could you please rework your patch according with Jean's feedback? Thanks, Mauro -- Cheers, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
