Hi all,
On Wed, 11 Jul 2018 14:17:37 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the scsi-mkp tree, today's linux-next build (x86_64
> allmodconfig) produced this warning:
>
> In file included from include/linux/spinlock_types.h:18:0,
> from include/linux/spinlock.h:82,
> from drivers/scsi/libfc/fc_rport.c:61:
> drivers/scsi/libfc/fc_rport.c: In function 'fc_rport_recv_req':
> include/linux/lockdep.h:347:45: warning: 'rdata' may be used uninitialized in this function [-Wmaybe-uninitialized]
> #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map)
> ^
> drivers/scsi/libfc/fc_rport.c:1832:24: note: 'rdata' was declared here
> struct fc_rport_priv *rdata;
> ^~~~~
>
> Introduced by commit
>
> ee35624e1e4e ("scsi: libfc: Add lockdep annotations")
>
> It is actually complaining about function fc_rport_recv_plogi_req()
> (presumably it is being inlined) and this looks like an actual bug :-(
This warning now appears after the merge of the scsi tree.
--
Cheers,
Stephen Rothwell
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