diff options
| -rw-r--r-- | arch/riscv/purgatory/purgatory.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/riscv/purgatory/purgatory.c b/arch/riscv/purgatory/purgatory.c index bbd5cfa4d741..745deeb6e3a5 100644 --- a/arch/riscv/purgatory/purgatory.c +++ b/arch/riscv/purgatory/purgatory.c @@ -17,7 +17,7 @@ u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE] __section(".kexec-purgatory"); struct kexec_sha_region purgatory_sha_regions[KEXEC_SEGMENT_MAX] __section(".kexec-purgatory"); -static int verify_sha256_digest(void) +static bool verify_sha256_digest(void) { struct kexec_sha_region *ptr, *end; struct sha256_ctx sctx; @@ -26,11 +26,10 @@ static int verify_sha256_digest(void) sha256_init(&sctx); end = purgatory_sha_regions + ARRAY_SIZE(purgatory_sha_regions); for (ptr = purgatory_sha_regions; ptr < end; ptr++) - sha256_update(&sctx, (uint8_t *)(ptr->start), ptr->len); + sha256_update(&sctx, (const u8 *)(ptr->start), ptr->len); sha256_final(&sctx, digest); - if (memcmp(digest, purgatory_sha256_digest, sizeof(digest)) != 0) - return 1; - return 0; + + return memcmp(digest, purgatory_sha256_digest, sizeof(digest)) == 0; } /* workaround for a warning with -Wmissing-prototypes */ @@ -38,7 +37,7 @@ void purgatory(void); void purgatory(void) { - if (verify_sha256_digest()) + if (!verify_sha256_digest()) for (;;) /* loop forever */ ; |