Commit 8e8aaf51 authored by Maurizio Lombardi's avatar Maurizio Lombardi Committed by Christoph Hellwig
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nvme-fabrics: ignore invalid fast_io_fail_tmo values 



Valid fast_io_fail_tmo values are integers >= 0 or -1 (disabled).
Prevent userspace from setting arbitrary negative values.

Signed-off-by: default avatarMaurizio Lombardi <mlombard@redhat.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 5a6254d5

drivers/nvme/host/fabrics.c

+3 −0
Original line number Diff line number Diff line
@@ -698,6 +698,9 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, 
			if (token >= 0)

				pr_warn("I/O fail on reconnect controller after %d sec\n",

					token);

			else

				token = -1;



			opts->fast_io_fail_tmo = token;

			break;

		case NVMF_OPT_HOSTNQN: