drivers/char/tpm/tpm_eventlog_efi.c:53:23-30: WARNING opportunity for kmemdep

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   61f14c015f5be9151ba25e638d349f4d40cb7cd4
commit: 58cc1e4faf10a73c4302825ffd37a47d410fc1b5 tpm: parse TPM event logs 
based on EFI table
date:   5 weeks ago


coccinelle warnings: (new ones prefixed by >>)

>> drivers/char/tpm/tpm_eventlog_efi.c:53:23-30: WARNING opportunity for kmemdep

vim +53 drivers/char/tpm/tpm_eventlog_efi.c

    22  
    23          struct linux_efi_tpm_eventlog *log_tbl;
    24          struct tpm_bios_log *log;
    25          u32 log_size;
    26          u8 tpm_log_version;
    27  
    28          if (!(chip->flags & TPM_CHIP_FLAG_TPM2))
    29                  return -ENODEV;
    30  
    31          if (efi.tpm_log == EFI_INVALID_TABLE_ADDR)
    32                  return -ENODEV;
    33  
    34          log = &chip->log;
    35  
    36          log_tbl = memremap(efi.tpm_log, sizeof(*log_tbl), MEMREMAP_WB);
    37          if (!log_tbl) {
    38                  pr_err("Could not map UEFI TPM log table !\n");
    39                  return -ENOMEM;
    40          }
    41  
    42          log_size = log_tbl->size;
    43          memunmap(log_tbl);
    44  
    45          log_tbl = memremap(efi.tpm_log, sizeof(*log_tbl) + log_size,
    46                             MEMREMAP_WB);
    47          if (!log_tbl) {
    48                  pr_err("Could not map UEFI TPM log table payload!\n");
    49                  return -ENOMEM;
    50          }
    51  
    52          /* malloc EventLog space */
  > 53          log->bios_event_log = kmalloc(log_size, GFP_KERNEL);

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