Messages in this thread | | | Subject | Re: [PATCH] printk: Let %pR handle NULL pointers | From | Benjamin Herrenschmidt <> | Date | Sun, 04 Jan 2009 20:48:13 +1100 |
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> I thought of doing that too, but then all the various %pX formats would all > have to print the same for NULL pointers. For instance a resource prints > out like "[0x1000-0x100f]", so I chose "[NULL]" for printing a null > resource pointer. Maybe "[]" or "[-]" would be better? A null MAC address > could be ":::::" or "x:x:x:x:x:x". "N.U.L.L" or "x.x.x.x" for a null IP4 > address. And so on. So the printout looks nicer when a NULL pointer isn't > a bug.
And how often is that ?
Seriously...
Ben.
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