diff options
| author | Colin Ian King <colin.king@canonical.com> | 2019-10-08 13:01:53 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-10-08 14:01:09 +0300 |
| commit | be59d57f98065af0b8472f66a0a969207b168680 (patch) | |
| tree | 059ab0079c0bf54693999e8016d82b03ef52577b /drivers/firmware | |
| parent | 2ecb7402cfc7f22764e7bbc80790e66eadb20560 (diff) | |
| download | linux-be59d57f98065af0b8472f66a0a969207b168680.tar.xz | |
efi/tpm: Fix sanity check of unsigned tbl_size being less than zero
Currently the check for tbl_size being less than zero is always false
because tbl_size is unsigned. Fix this by making it a signed int.
Addresses-Coverity: ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jerry Snitselaar <jsnitsel@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Cc: linux-efi@vger.kernel.org
Fixes: e658c82be556 ("efi/tpm: Only set 'efi_tpm_final_log_size' after successful event log parsing")
Link: https://lkml.kernel.org/r/20191008100153.8499-1-colin.king@canonical.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/tpm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c index 703469c1ab8e..ebd7977653a8 100644 --- a/drivers/firmware/efi/tpm.c +++ b/drivers/firmware/efi/tpm.c @@ -40,7 +40,7 @@ int __init efi_tpm_eventlog_init(void) { struct linux_efi_tpm_eventlog *log_tbl; struct efi_tcg2_final_events_table *final_tbl; - unsigned int tbl_size; + int tbl_size; int ret = 0; if (efi.tpm_log == EFI_INVALID_TABLE_ADDR) { |