diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 6 | ||||
| -rw-r--r-- | lib/iov_iter.c | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0d9e81779e37..00dbcdbc9a0d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -753,9 +753,9 @@ endmenu # "Memory Debugging" config ARCH_HAS_KCOV bool help - KCOV does not have any arch-specific code, but currently it is enabled - only for x86_64. KCOV requires testing on other archs, and most likely - disabling of instrumentation for some early boot code. + An architecture should select this when it can successfully + build and run with CONFIG_KCOV. This typically requires + disabling instrumentation for some early boot code. config CC_HAS_SANCOV_TRACE_PC def_bool $(cc-option,-fsanitize-coverage=trace-pc) diff --git a/lib/iov_iter.c b/lib/iov_iter.c index ea36dc355da1..b396d328a764 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1528,6 +1528,7 @@ EXPORT_SYMBOL(csum_and_copy_to_iter); size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, struct iov_iter *i) { +#ifdef CONFIG_CRYPTO struct ahash_request *hash = hashp; struct scatterlist sg; size_t copied; @@ -1537,6 +1538,9 @@ size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, ahash_request_set_crypt(hash, &sg, NULL, copied); crypto_ahash_update(hash); return copied; +#else + return 0; +#endif } EXPORT_SYMBOL(hash_and_copy_to_iter); |
