Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] af_unix: introduce unix_sk_const helper | Date | Thu, 08 Oct 2015 14:11:41 +0200 |
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On Thursday 08 October 2015 04:03:32 David Miller wrote: > From: Arnd Bergmann <arnd@arndb.de> > Date: Tue, 06 Oct 2015 22:52:46 +0200 > > > Commit 124613012db1 ("af_unix: Convert the unix_sk macro to an inline > > function for type safety") was recently added to catch incorrect > > uses of the unix_sk helper using compiler warnings. > > > > It has now caught one such case in lsm_audit.c. The code is technically > > correct, but as it converts a const pointer to a non-const pointer, > > the annotation got lost, which gcc now warns about. > > > > This patch avoids the warning by introducing an additional helper > > that has const input and output, which makes the lsm_audit code build > > cleanly again. > > > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > --- > > I'm not entirely happy with this workaround myself, but could not come > > up with a better one. > > You can make the argument unconditionally const, as Paul Moore has done > in a separate patch submission.
Ok, I see now how Paul's "audit: constify parts of common_audit_data and lsm_network_audit" patch caused the problem and is now gone from linux-next. That seems nicer indeed.
Arnd
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