4.4-stable review patch. If anyone has any objections, please let me know.
------------------ [ Upstream commit 5f985d88bac34e7f3b4403118eab072902a0b392 ] It might happen that we try to free an already freed pointer. Reported-by: Maurizio Lombardi <[email protected]> Signed-off-by: Tomas Henzl <[email protected]> Acked-by: Chaitra P B <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]> Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2020,8 +2020,10 @@ mpt3sas_base_unmap_resources(struct MPT3 _base_free_irq(ioc); _base_disable_msix(ioc); - if (ioc->msix96_vector) + if (ioc->msix96_vector) { kfree(ioc->replyPostRegisterIndex); + ioc->replyPostRegisterIndex = NULL; + } if (ioc->chip_phys) { iounmap(ioc->chip);
