On 02/14/2017 09:44 PM, Raghava Aditya Renukunta wrote: > aac_fib_map_free frees misaligned fib dma memory, additionally it does not > free up the whole memory. > > Fixed by changing the code to free up the correct and full memory > allocation. > > Cc: stable@xxxxxxxxxxxxxxx > Fixes: e8b12f0fb835223 ([SCSI] aacraid: Add new code for PMC-Sierra's SRC based controller family) > Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@xxxxxxxxxxxxx> > Reviewed-by: David Carroll <David.Carroll@xxxxxxxxxxxxx> > --- > drivers/scsi/aacraid/commsup.c | 20 +++++++++----------- > 1 file changed, 9 insertions(+), 11 deletions(-) > > diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c > index f7a3bcb..863c98d 100644 > --- a/drivers/scsi/aacraid/commsup.c > +++ b/drivers/scsi/aacraid/commsup.c > @@ -97,8 +97,8 @@ void aac_fib_map_free(struct aac_dev *dev) > { > if (dev->hw_fib_va && dev->max_cmd_size) { > pci_free_consistent(dev->pdev, > - (dev->max_cmd_size * > - (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)), > + (dev->max_cmd_size + sizeof(struct aac_fib_xporthdr)) > + * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) + 31, > dev->hw_fib_va, dev->hw_fib_pa); Can you please do something like: size_t alloc_size; int numtags; numtags = dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB; alloc_size = (dev->max_cmd_size + sizeof(struct aac_fib_xporthdr)) * numtags + 31; pci_free_consistent(dev->pdev, alloc_size, dev->hw_fib_va, dev->hw_fib_pa); And please indent correctly. If it indentation doesn't work correctly because you hit the 80 chars limit, that's a sign something should be reconsidered. Thanks, Johannes -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850