Messages in this thread | | | Date | Wed, 7 Jan 2015 07:54:54 +1100 | From | Herbert Xu <> | Subject | Re: [PATCH] Use memzero_explicit to clear local buffers |
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On Tue, Jan 06, 2015 at 08:42:26PM +0100, Giel van Schijndel wrote: > > Question: are you sure the compiler won't optimize the call to memset(0) > way if it's immediately followed by kfree()?
Yes it won't be optimised away. However, you could use kzfree.
> Another actually does change a stack-allocated buffer, I'll split that > one off right away.
OK.
Thanks, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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