On 10/24/2016 05:51 PM, Arnd Bergmann wrote: > The advansys probe function tries to handle both ISA and PCI cases, > each hidden in an #ifdef when unused. This leads to a warning > indicating that when PCI is disabled we could be using uninitialized > data: > > drivers/scsi/advansys.c: In function ‘advansys_board_found’: > drivers/scsi/advansys.c:11036:5: error: ‘ret’ may be used uninitialized in > this function [-Werror=maybe-uninitialized] > drivers/scsi/advansys.c:10928:28: note: ‘ret’ was declared here > drivers/scsi/advansys.c:11309:8: error: ‘share_irq’ may be used uninitialized > in this function [-Werror=maybe-uninitialized] > drivers/scsi/advansys.c:10928:6: note: ‘share_irq’ was declared here > > This cannot happen in practice because the hardware in question > only exists for PCI, but changing the code to just error out > here is better for consistency and avoids the warning. > > Signed-off-by: Arnd Bergmann <a...@arndb.de> > --- > drivers/scsi/advansys.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c > index febbd83e2ecd..81dd0927246b 100644 > --- a/drivers/scsi/advansys.c > +++ b/drivers/scsi/advansys.c > @@ -11030,6 +11030,9 @@ static int advansys_board_found(struct Scsi_Host > *shost, unsigned int iop, > ASC_DBG(2, "AdvInitGetConfig()\n"); > > ret = AdvInitGetConfig(pdev, shost) ? -ENODEV : 0; > +#else > + share_irq = 0; > + ret = -ENODEV; > #endif /* CONFIG_PCI */ > } > > Reviewed-by: Hannes Reinecke <h...@suse.com>
Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage h...@suse.com +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)
