diff options
| author | Michael Bestas <mkbestas@lineageos.org> | 2021-07-22 01:39:54 +0300 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2021-07-22 01:39:54 +0300 |
| commit | 954d3318ebc1b79dc469995450b23c30ce44b6af (patch) | |
| tree | 50ba2449476562b2aa8e2f6bd55e5f4915958163 /crypto | |
| parent | 3c741a8b469c522434e6841d8618702303fd6a21 (diff) | |
| parent | e5239ed489f6471bc235af8534ee57d1923778e4 (diff) | |
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-03400-SDMxx0.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
e5239ed489f64 Merge 4.4.276 into android-4.4-p
Change-Id: I5f3fdc31e61b229b299cf72014710d36e42863d8
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/shash.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/crypto/shash.c b/crypto/shash.c index b086b0174b82..4490269eafc3 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -24,12 +24,24 @@ static const struct crypto_type crypto_shash_type; -int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) { return -ENOSYS; } -EXPORT_SYMBOL_GPL(shash_no_setkey); + +/* + * Check whether an shash algorithm has a setkey function. + * + * For CFI compatibility, this must not be an inline function. This is because + * when CFI is enabled, modules won't get the same address for shash_no_setkey + * (if it were exported, which inlining would require) as the core kernel will. + */ +bool crypto_shash_alg_has_setkey(struct shash_alg *alg) +{ + return alg->setkey != shash_no_setkey; +} +EXPORT_SYMBOL_GPL(crypto_shash_alg_has_setkey); static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, unsigned int keylen) |