Re: linux-next: build warning after merge of the nfsd tree

From: J. Bruce Fields
Date: Thu Mar 17 2011 - 14:09:34 EST


On Thu, Mar 10, 2011 at 11:53:31AM +1100, Stephen Rothwell wrote:
> Hi Bruce,
>
> After merging the nfsd tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> net/sunrpc/svcauth_unix.c: In function 'unix_domain_find':
> net/sunrpc/svcauth_unix.c:58: warning: passing argument 1 of 'svcauth_unix_domain_release' from incompatible pointer type
> net/sunrpc/svcauth_unix.c:41: note: expected 'struct auth_domain *' but argument is of type 'struct unix_domain *'
>
> Introduced by commit 8b3e07ac908d ("svcrpc: fix rare race on unix_domain
> creation").

Should be fixed, thanks for the report.

--b.

commit 352b5d13c0684ba8cd103aa20cb74f105334562a
Author: J. Bruce Fields <bfields@xxxxxxxxxx>
Date: Wed Mar 9 22:40:30 2011 -0500

svcrpc: fix bad argument in unix_domain_find

"After merging the nfsd tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:

net/sunrpc/svcauth_unix.c: In function 'unix_domain_find':
net/sunrpc/svcauth_unix.c:58: warning: passing argument 1 of
+'svcauth_unix_domain_release' from incompatible pointer type
net/sunrpc/svcauth_unix.c:41: note: expected 'struct auth_domain *' but
argument
+is of type 'struct unix_domain *'

Introduced by commit 8b3e07ac908d ("svcrpc: fix rare race on unix_domain
creation")."

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>

diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d100bf2..c8e1021 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -55,7 +55,7 @@ struct auth_domain *unix_domain_find(char *name)
while(1) {
if (rv) {
if (new && rv != &new->h)
- svcauth_unix_domain_release(new);
+ svcauth_unix_domain_release(&new->h);

if (rv->flavour != &svcauth_unix) {
auth_domain_put(rv);
--
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