On 07/12/2018 06:30 AM, Stephen Rothwell wrote: > 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. > I have send a new round of patches to the scsi mailing list (cf 'libfc/fcoe: disc_mutex fixes') which address this issue. Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@xxxxxxx +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html