scsi: scsi_debug: num_tgts must be >= 0
authorMaurizio Lombardi <mlombard@redhat.com>
Fri, 15 Nov 2019 16:37:27 +0000 (17:37 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 4 Jan 2020 18:13:04 +0000 (19:13 +0100)
commit1b4128a55cc02e2afa99ff5aa747070d962ec7e4
treec2b9fc3d99c12947d632891a0defaf8c2ff7ca21
parenta4c9fd613eec085df74de61c55138cbc4ba6b84c
scsi: scsi_debug: num_tgts must be >= 0

[ Upstream commit aa5334c4f3014940f11bf876e919c956abef4089 ]

Passing the parameter "num_tgts=-1" will start an infinite loop that
exhausts the system memory

Link: https://lore.kernel.org/r/20191115163727.24626-1-mlombard@redhat.com
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/scsi/scsi_debug.c