Re: [PATCH] Fix compilation warning

[Bernhard Walle <bwalle@suse.de>]

* Simon Horman <horms@verge.net.au> [2008-02-22 10:02]:
> On Thu, Feb 21, 2008 at 10:28:33AM +0100, Bernhard Walle wrote:
> > * Simon Horman <horms@verge.net.au> [2008-02-21 10:21]:
> > > On Wed, Feb 20, 2008 at 09:07:55AM +0100, Bernhard Walle wrote:
> > > > This patch fixes following compilation warning:
> > > > 
> > > > purgatory/purgatory.c:21: warning: passing argument 2 of 'sha256_update' makes pointer from integer without a cast
> > > > 
> > > 
> > > Thanks Bernhard, I have queued that up.
> > > Although I notice that on arm the warning turns into
> > > 
> > > purgatory/purgatory.c: In function 'verify_sha256_digest':
> > > purgatory/purgatory.c:21: warning: cast to pointer from integer of different size
> > 
> > Isn't this the case on every 32 bit system?
> 
> Yes, now you mention it, I expect so. I guess its not a problem.

But you didn't merge the patch. ;) Here's a version that should not
give any warnings ...

----------------------------

This patch fixes following compilation warning:

purgatory/purgatory.c:21: warning: passing argument 2 of 'sha256_update' makes pointer from integer without a cast


Signed-off-by: Bernhard Walle <bwalle@suse.de>

---
 purgatory/purgatory.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/purgatory/purgatory.c
+++ b/purgatory/purgatory.c
@@ -18,7 +18,7 @@ void verify_sha256_digest(void)
 	sha256_starts(&ctx);
 	end = &sha256_regions[sizeof(sha256_regions)/sizeof(sha256_regions[0])];
 	for(ptr = sha256_regions; ptr < end; ptr++) {
-		sha256_update(&ctx, ptr->start, ptr->len);
+		sha256_update(&ctx, (uint8_t *)((uintptr_t)ptr->start), ptr->len);
 	}
 	sha256_finish(&ctx, digest);
 	if (memcmp(digest, sha256_digest, sizeof(digest)) != 0) {

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