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author | Maurizio Lombardi <mlombard@redhat.com> | 2021-11-12 15:16:12 +0100 |
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committer | Christoph Hellwig <hch@lst.de> | 2021-11-23 17:22:41 +0100 |
commit | 8e8aaf512a91ae44d40647a88b51326c7b0a70a8 (patch) | |
tree | be2ae3b061d5052c8e22672d5890482334607cb8 /drivers/nvme/host | |
parent | 5a6254d55e2a9f7919ead8580d7aa0c7a382b26a (diff) | |
download | linux-8e8aaf512a91ae44d40647a88b51326c7b0a70a8.tar.bz2 |
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: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host')
-rw-r--r-- | drivers/nvme/host/fabrics.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index c5a2b71c5268..282d54117e0a 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -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: |