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authorMichael Bestas <mkbestas@lineageos.org>2020-03-08 00:00:18 +0200
committerMichael Bestas <mkbestas@lineageos.org>2020-03-08 00:00:18 +0200
commit3010be7cfa594aac6134887b8505b3f1bd619ad4 (patch)
tree867d21a3537efafc20045dc58ffd18104f0ca474 /crypto/algapi.c
parenta0edb0970a4d09aed24b6f37cd6fd0c545565485 (diff)
parent4db1ebdd40ec0b6ee8fb5744b20274a37aea267d (diff)
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05200-8x98.0 up to date with https://android.googlesource.com/kernel/common/ android-4.4-p at commit: 4db1ebdd40ec0 FROMLIST: HID: nintendo: add nintendo switch controller driver Conflicts: arch/arm64/boot/Makefile arch/arm64/kernel/psci.c arch/x86/configs/x86_64_cuttlefish_defconfig drivers/md/dm.c drivers/of/Kconfig drivers/thermal/thermal_core.c fs/proc/meminfo.c kernel/locking/spinlock_debug.c kernel/time/hrtimer.c net/wireless/util.c Change-Id: I5b5163497b7c6ab8487ffbb2d036e4cda01ed670
Diffstat (limited to 'crypto/algapi.c')
-rw-r--r--crypto/algapi.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index ac70fd5cd404..de64ec55ab4f 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -653,11 +653,9 @@ EXPORT_SYMBOL_GPL(crypto_grab_spawn);
void crypto_drop_spawn(struct crypto_spawn *spawn)
{
- if (!spawn->alg)
- return;
-
down_write(&crypto_alg_sem);
- list_del(&spawn->list);
+ if (spawn->alg)
+ list_del(&spawn->list);
up_write(&crypto_alg_sem);
}
EXPORT_SYMBOL_GPL(crypto_drop_spawn);
@@ -665,22 +663,16 @@ EXPORT_SYMBOL_GPL(crypto_drop_spawn);
static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
{
struct crypto_alg *alg;
- struct crypto_alg *alg2;
down_read(&crypto_alg_sem);
alg = spawn->alg;
- alg2 = alg;
- if (alg2)
- alg2 = crypto_mod_get(alg2);
- up_read(&crypto_alg_sem);
-
- if (!alg2) {
- if (alg)
- crypto_shoot_alg(alg);
- return ERR_PTR(-EAGAIN);
+ if (alg && !crypto_mod_get(alg)) {
+ alg->cra_flags |= CRYPTO_ALG_DYING;
+ alg = NULL;
}
+ up_read(&crypto_alg_sem);
- return alg;
+ return alg ?: ERR_PTR(-EAGAIN);
}
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,