On Sat, 2013-02-23 at 03:07 +0800, kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git misc
> head: c2983bd66114a8047bb74e4d347db8ffde381f71
> commit: 5f0d0de727c055e15c2602e4905c6b75509ce9d7 [102/104] [SCSI] fnic: FIP
> VLAN Discovery Feature Support
>
>
> sparse warnings: (new ones prefixed by >>)
>
> >> drivers/scsi/fnic/fnic_fcs.c:381:31: sparse: cast to restricted __be16
> >> drivers/scsi/fnic/fnic_fcs.c:381:31: sparse: cast to restricted __be16
> >> drivers/scsi/fnic/fnic_fcs.c:381:31: sparse: cast to restricted __be16
> >> drivers/scsi/fnic/fnic_fcs.c:381:31: sparse: cast to restricted __be16
> drivers/scsi/fnic/cq_enet_desc.h:142:39: sparse: restricted __le16
> degrades to integer
> include/scsi/fc/fc_fcoe.h:101:36: sparse: cast truncates bits from
> constant value (efc becomes fc)
> include/scsi/fc/fc_fcoe.h:102:23: sparse: cast truncates bits from
> constant value (efc00 becomes 0)
> >> drivers/scsi/fnic/fnic_fcs.c:1198:6: sparse: context imbalance in
> >> 'fnic_handle_fip_timer' - different lock contexts for basic block
>
> vim +381 drivers/scsi/fnic/fnic_fcs.c
>
> 365 "Received VLAN response...\n");
> 366
> 367 fiph = (struct fip_header *) skb->data;
> 368
> 369 FNIC_FCS_DBG(KERN_INFO, fnic->lport->host,
> 370 "Received VLAN response... OP 0x%x SUB_OP
> 0x%x\n",
> 371 ntohs(fiph->fip_op), fiph->fip_subcode);
> 372
> 373 rlen = ntohs(fiph->fip_dl_len) * 4;
> 374 fnic_fcoe_reset_vlans(fnic);
> 375 spin_lock_irqsave(&fnic->vlans_lock, flags);
> 376 desc = (struct fip_desc *)(fiph + 1);
> 377 while (rlen > 0) {
> 378 dlen = desc->fip_dlen * FIP_BPW;
> 379 switch (desc->fip_dtype) {
> 380 case FIP_DT_VLAN:
> > 381 vid = ntohs(((struct fip_vlan_desc
> *)desc)->fd_vlan);
> 382 shost_printk(KERN_INFO,
> fnic->lport->host,
> 383 "process_vlan_resp: FIP VLAN
> %d\n", vid);
> 384 vlan = (struct fcoe_vlan *)
> kmalloc(sizeof(*vlan),
> 385
> GFP_ATOMIC);
> 386 if (!vlan) {
> 387 /* retry from timer */
> 388
> spin_unlock_irqrestore(&fnic->vlans_lock,
> 389 flags);
OK, I'll drop the series from this patch on. I take it the sparse and
other problems in the patches before this are all fixed?
James
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