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| author | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 20:20:26 +0100 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-17 20:20:26 +0100 |
| commit | bf3b7b7ba9e3db55d164ec7bf05e6947f79637cd (patch) | |
| tree | 7de81ebc8339c2a985b2af0e360368e281564c93 /drivers/char/tpm/eventlog/efi.c | |
| parent | RDMA/mlx5: Lower setting the umem's PAS for SRQ (diff) | |
| parent | IB/hfi1: Fix error return code in hfi1_init_dd() (diff) | |
| download | linux-bf3b7b7ba9e3db55d164ec7bf05e6947f79637cd.tar.xz linux-bf3b7b7ba9e3db55d164ec7bf05e6947f79637cd.zip | |
Merge branch 'for-rc' into rdma.git
From https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
The rc RDMA branch is needed due to dependencies on the next patches.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/char/tpm/eventlog/efi.c')
| -rw-r--r-- | drivers/char/tpm/eventlog/efi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/tpm/eventlog/efi.c b/drivers/char/tpm/eventlog/efi.c index 6bb023de17f1..35229e5143ca 100644 --- a/drivers/char/tpm/eventlog/efi.c +++ b/drivers/char/tpm/eventlog/efi.c @@ -41,6 +41,11 @@ int tpm_read_log_efi(struct tpm_chip *chip) log_size = log_tbl->size; memunmap(log_tbl); + if (!log_size) { + pr_warn("UEFI TPM log area empty\n"); + return -EIO; + } + log_tbl = memremap(efi.tpm_log, sizeof(*log_tbl) + log_size, MEMREMAP_WB); if (!log_tbl) { |