diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crypto/sha256.c | 77 | ||||
| -rw-r--r-- | lib/scatterlist.c | 2 | ||||
| -rw-r--r-- | lib/test_firmware.c | 12 | ||||
| -rw-r--r-- | lib/test_fprobe.c | 10 |
4 files changed, 32 insertions, 69 deletions
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c index 72a4b0b1df28..3ac1ef8677db 100644 --- a/lib/crypto/sha256.c +++ b/lib/crypto/sha256.c @@ -11,12 +11,11 @@ * Copyright (c) 2014 Red Hat Inc. */ -#include <linux/bitops.h> -#include <linux/export.h> +#include <asm/unaligned.h> +#include <crypto/sha256_base.h> +#include <linux/kernel.h> #include <linux/module.h> #include <linux/string.h> -#include <crypto/sha2.h> -#include <asm/unaligned.h> static const u32 SHA256_K[] = { 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, @@ -119,80 +118,40 @@ static void sha256_transform(u32 *state, const u8 *input, u32 *W) state[4] += e; state[5] += f; state[6] += g; state[7] += h; } -void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) +static void sha256_transform_blocks(struct sha256_state *sctx, + const u8 *input, int blocks) { - unsigned int partial, done; - const u8 *src; u32 W[64]; - partial = sctx->count & 0x3f; - sctx->count += len; - done = 0; - src = data; - - if ((partial + len) > 63) { - if (partial) { - done = -partial; - memcpy(sctx->buf + partial, data, done + 64); - src = sctx->buf; - } + do { + sha256_transform(sctx->state, input, W); + input += SHA256_BLOCK_SIZE; + } while (--blocks); - do { - sha256_transform(sctx->state, src, W); - done += 64; - src = data + done; - } while (done + 63 < len); - - memzero_explicit(W, sizeof(W)); - - partial = 0; - } - memcpy(sctx->buf + partial, src, len - done); + memzero_explicit(W, sizeof(W)); } -EXPORT_SYMBOL(sha256_update); -void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len) +void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) { - sha256_update(sctx, data, len); + lib_sha256_base_do_update(sctx, data, len, sha256_transform_blocks); } -EXPORT_SYMBOL(sha224_update); +EXPORT_SYMBOL(sha256_update); -static void __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words) +static void __sha256_final(struct sha256_state *sctx, u8 *out, int digest_size) { - __be32 *dst = (__be32 *)out; - __be64 bits; - unsigned int index, pad_len; - int i; - static const u8 padding[64] = { 0x80, }; - - /* Save number of bits */ - bits = cpu_to_be64(sctx->count << 3); - - /* Pad out to 56 mod 64. */ - index = sctx->count & 0x3f; - pad_len = (index < 56) ? (56 - index) : ((64+56) - index); - sha256_update(sctx, padding, pad_len); - - /* Append length (before padding) */ - sha256_update(sctx, (const u8 *)&bits, sizeof(bits)); - - /* Store state in digest */ - for (i = 0; i < digest_words; i++) - put_unaligned_be32(sctx->state[i], &dst[i]); - - /* Zeroize sensitive information. */ - memzero_explicit(sctx, sizeof(*sctx)); + lib_sha256_base_do_finalize(sctx, sha256_transform_blocks); + lib_sha256_base_finish(sctx, out, digest_size); } void sha256_final(struct sha256_state *sctx, u8 *out) { - __sha256_final(sctx, out, 8); + __sha256_final(sctx, out, 32); } EXPORT_SYMBOL(sha256_final); void sha224_final(struct sha256_state *sctx, u8 *out) { - __sha256_final(sctx, out, 7); + __sha256_final(sctx, out, 28); } EXPORT_SYMBOL(sha224_final); diff --git a/lib/scatterlist.c b/lib/scatterlist.c index e97d7060329e..e86231a44c3d 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -1237,7 +1237,7 @@ static ssize_t extract_kvec_to_sg(struct iov_iter *iter, if (is_vmalloc_or_module_addr((void *)kaddr)) page = vmalloc_to_page((void *)kaddr); else - page = virt_to_page(kaddr); + page = virt_to_page((void *)kaddr); sg_set_page(sg, page, len, off); sgtable->nents++; diff --git a/lib/test_firmware.c b/lib/test_firmware.c index 1d7d480b8eeb..add4699fc6cd 100644 --- a/lib/test_firmware.c +++ b/lib/test_firmware.c @@ -214,7 +214,7 @@ static int __kstrncpy(char **dst, const char *name, size_t count, gfp_t gfp) { *dst = kstrndup(name, count, gfp); if (!*dst) - return -ENOSPC; + return -ENOMEM; return count; } @@ -671,7 +671,7 @@ static ssize_t trigger_request_store(struct device *dev, name = kstrndup(buf, count, GFP_KERNEL); if (!name) - return -ENOSPC; + return -ENOMEM; pr_info("loading '%s'\n", name); @@ -719,7 +719,7 @@ static ssize_t trigger_request_platform_store(struct device *dev, name = kstrndup(buf, count, GFP_KERNEL); if (!name) - return -ENOSPC; + return -ENOMEM; pr_info("inserting test platform fw '%s'\n", name); efi_embedded_fw.name = name; @@ -772,7 +772,7 @@ static ssize_t trigger_async_request_store(struct device *dev, name = kstrndup(buf, count, GFP_KERNEL); if (!name) - return -ENOSPC; + return -ENOMEM; pr_info("loading '%s'\n", name); @@ -817,7 +817,7 @@ static ssize_t trigger_custom_fallback_store(struct device *dev, name = kstrndup(buf, count, GFP_KERNEL); if (!name) - return -ENOSPC; + return -ENOMEM; pr_info("loading '%s' using custom fallback mechanism\n", name); @@ -868,7 +868,7 @@ static int test_fw_run_batch_request(void *data) test_buf = kzalloc(TEST_FIRMWARE_BUF_SIZE, GFP_KERNEL); if (!test_buf) - return -ENOSPC; + return -ENOMEM; if (test_fw_config->partial) req->rc = request_partial_firmware_into_buf diff --git a/lib/test_fprobe.c b/lib/test_fprobe.c index 079435a2e26c..24de0e5ff859 100644 --- a/lib/test_fprobe.c +++ b/lib/test_fprobe.c @@ -39,7 +39,8 @@ static noinline u32 fprobe_selftest_nest_target(u32 value, u32 (*nest)(u32)) } static notrace int fp_entry_handler(struct fprobe *fp, unsigned long ip, - struct pt_regs *regs, void *data) + unsigned long ret_ip, + struct pt_regs *regs, void *data) { KUNIT_EXPECT_FALSE(current_test, preemptible()); /* This can be called on the fprobe_selftest_target and the fprobe_selftest_target2 */ @@ -57,6 +58,7 @@ static notrace int fp_entry_handler(struct fprobe *fp, unsigned long ip, } static notrace void fp_exit_handler(struct fprobe *fp, unsigned long ip, + unsigned long ret_ip, struct pt_regs *regs, void *data) { unsigned long ret = regs_return_value(regs); @@ -78,14 +80,16 @@ static notrace void fp_exit_handler(struct fprobe *fp, unsigned long ip, } static notrace int nest_entry_handler(struct fprobe *fp, unsigned long ip, - struct pt_regs *regs, void *data) + unsigned long ret_ip, + struct pt_regs *regs, void *data) { KUNIT_EXPECT_FALSE(current_test, preemptible()); return 0; } static notrace void nest_exit_handler(struct fprobe *fp, unsigned long ip, - struct pt_regs *regs, void *data) + unsigned long ret_ip, + struct pt_regs *regs, void *data) { KUNIT_EXPECT_FALSE(current_test, preemptible()); KUNIT_EXPECT_EQ(current_test, ip, target_nest_ip); |