On Sat, 2007-02-10 at 07:02 +0100, Michael Buesch wrote:
> On Saturday 10 February 2007 02:27, Daniel Drake wrote:
> > Robert P.J. Day's recent commit ("getting rid of all casts of k[cmz]alloc()
> > calls") introduced a sparse warning for zd1211rw, related to our type-checking
> > of addresses.
> > > zd_chip.c:116:15: warning: implicit cast to nocast type
> > This patch readds the type cast, it is correct.
> > Signed-off-by: Daniel Drake <dsd@xxxxxxxxxx>
> > Index: linux/drivers/net/wireless/zd1211rw/zd_chip.c
> > ===================================================================
> > --- linux.orig/drivers/net/wireless/zd1211rw/zd_chip.c
> > +++ linux/drivers/net/wireless/zd1211rw/zd_chip.c
> > @@ -113,7 +113,7 @@ int zd_ioread32v_locked(struct zd_chip *
> >
> > /* Allocate a single memory block for values and addresses. */
> > count16 = 2*count;
> > - a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
> > + a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
> > GFP_NOFS);
I think it better to remove this __nocast instead.
This is the only use of __nocast outside of kmem in the kernel tree.
Why not just remove __nocast and use u16 instead of zd_addr_t?
If not the removal of the __nocast, would it be better to have a
void pointer there?
tmp = kcalloc(count16, sizeof(zd_addr_t) + sizeof(u16), GFP_KERNEL);
[]
a16 = (zd_addr_t *)tmp;
v16 = a16 + count16;
[]
kfree(tmp);
-
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