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| author | Arnd Bergmann <arnd@arndb.de> | 2018-03-15 16:34:08 +0100 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2018-03-15 18:06:06 +0100 |
| commit | 58eb5b6707477ff458db3ee522aac317da719e2a (patch) | |
| tree | 1f7a232a7c9c1fb3fecf06bccce04f2ef9affab8 /fs/pstore/platform.c | |
| parent | pstore: Use crypto compress API (diff) | |
| download | linux-58eb5b6707477ff458db3ee522aac317da719e2a.tar.xz linux-58eb5b6707477ff458db3ee522aac317da719e2a.zip | |
pstore: fix crypto dependencies
The new crypto API use causes some problems with Kconfig dependencies,
including this link error:
fs/pstore/platform.o: In function `pstore_register':
platform.c:(.text+0x248): undefined reference to `crypto_has_alg'
platform.c:(.text+0x2a0): undefined reference to `crypto_alloc_base'
fs/pstore/platform.o: In function `pstore_unregister':
platform.c:(.text+0x498): undefined reference to `crypto_destroy_tfm'
crypto/lz4hc.o: In function `lz4hc_sdecompress':
lz4hc.c:(.text+0x1a): undefined reference to `LZ4_decompress_safe'
crypto/lz4hc.o: In function `lz4hc_decompress_crypto':
lz4hc.c:(.text+0x5a): undefined reference to `LZ4_decompress_safe'
crypto/lz4hc.o: In function `lz4hc_scompress':
lz4hc.c:(.text+0xaa): undefined reference to `LZ4_compress_HC'
crypto/lz4hc.o: In function `lz4hc_mod_init':
lz4hc.c:(.init.text+0xf): undefined reference to `crypto_register_alg'
lz4hc.c:(.init.text+0x1f): undefined reference to `crypto_register_scomp'
lz4hc.c:(.init.text+0x2f): undefined reference to `crypto_unregister_alg'
The problem is that with CONFIG_CRYPTO=m, we must not 'select CRYPTO_LZ4'
from a bool symbol, or call crypto API functions from a built-in
module.
This turns the sub-options into 'tristate' ones so the dependencies
are honored, and makes the pstore itself select the crypto core
if necessary.
Fixes: cb3bee0369bc ("pstore: Use crypto compress API")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'fs/pstore/platform.c')
| -rw-r--r-- | fs/pstore/platform.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 42e111b3bd0c..1143ef351c58 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -28,10 +28,10 @@ #include <linux/console.h> #include <linux/module.h> #include <linux/pstore.h> -#ifdef CONFIG_PSTORE_LZO_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_LZO_COMPRESS) #include <linux/lzo.h> #endif -#if defined(CONFIG_PSTORE_LZ4_COMPRESS) || defined(CONFIG_PSTORE_LZ4HC_COMPRESS) +#if IS_ENABLED(CONFIG_PSTORE_LZ4_COMPRESS) || IS_ENABLED(CONFIG_PSTORE_LZ4HC_COMPRESS) #include <linux/lz4.h> #endif #include <linux/crypto.h> @@ -142,7 +142,7 @@ bool pstore_cannot_block_path(enum kmsg_dump_reason reason) } EXPORT_SYMBOL_GPL(pstore_cannot_block_path); -#ifdef CONFIG_PSTORE_DEFLATE_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_DEFLATE_COMPRESS) static int zbufsize_deflate(size_t size) { size_t cmpr; @@ -171,21 +171,21 @@ static int zbufsize_deflate(size_t size) } #endif -#ifdef CONFIG_PSTORE_LZO_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_LZO_COMPRESS) static int zbufsize_lzo(size_t size) { return lzo1x_worst_compress(size); } #endif -#if defined(CONFIG_PSTORE_LZ4_COMPRESS) || defined(CONFIG_PSTORE_LZ4HC_COMPRESS) +#if IS_ENABLED(CONFIG_PSTORE_LZ4_COMPRESS) || IS_ENABLED(CONFIG_PSTORE_LZ4HC_COMPRESS) static int zbufsize_lz4(size_t size) { return LZ4_compressBound(size); } #endif -#ifdef CONFIG_PSTORE_842_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_842_COMPRESS) static int zbufsize_842(size_t size) { return size; @@ -195,31 +195,31 @@ static int zbufsize_842(size_t size) static const struct pstore_zbackend *zbackend __ro_after_init; static const struct pstore_zbackend zbackends[] = { -#ifdef CONFIG_PSTORE_DEFLATE_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_DEFLATE_COMPRESS) { .zbufsize = zbufsize_deflate, .name = "deflate", }, #endif -#ifdef CONFIG_PSTORE_LZO_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_LZO_COMPRESS) { .zbufsize = zbufsize_lzo, .name = "lzo", }, #endif -#ifdef CONFIG_PSTORE_LZ4_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_LZ4_COMPRESS) { .zbufsize = zbufsize_lz4, .name = "lz4", }, #endif -#ifdef CONFIG_PSTORE_LZ4HC_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_LZ4HC_COMPRESS) { .zbufsize = zbufsize_lz4, .name = "lz4hc", }, #endif -#ifdef CONFIG_PSTORE_842_COMPRESS +#if IS_ENABLED(CONFIG_PSTORE_842_COMPRESS) { .zbufsize = zbufsize_842, .name = "842", |