diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2019-06-14 22:18:53 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-06-14 22:18:53 +0200 |
| commit | 8afecfb0ec961e37e61b2d19c4fa71617a9482de (patch) | |
| tree | c43ea51a47b1e76b762caa4c1b0c356249e5e874 /arch/s390/crypto/des_s390.c | |
| parent | Documentation: Remove duplicate x86 index entry (diff) | |
| parent | Linux 5.2-rc4 (diff) | |
| download | linux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.tar.xz linux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.zip | |
Merge tag 'v5.2-rc4' into mauro
We need to pick up post-rc1 changes to various document files so they don't
get lost in Mauro's massive RST conversion push.
Diffstat (limited to 'arch/s390/crypto/des_s390.c')
| -rw-r--r-- | arch/s390/crypto/des_s390.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/crypto/des_s390.c b/arch/s390/crypto/des_s390.c index 1f9ab24dc048..374b42fc7637 100644 --- a/arch/s390/crypto/des_s390.c +++ b/arch/s390/crypto/des_s390.c @@ -14,6 +14,7 @@ #include <linux/cpufeature.h> #include <linux/crypto.h> #include <linux/fips.h> +#include <linux/mutex.h> #include <crypto/algapi.h> #include <crypto/des.h> #include <asm/cpacf.h> @@ -21,7 +22,7 @@ #define DES3_KEY_SIZE (3 * DES_KEY_SIZE) static u8 *ctrblk; -static DEFINE_SPINLOCK(ctrblk_lock); +static DEFINE_MUTEX(ctrblk_lock); static cpacf_mask_t km_functions, kmc_functions, kmctr_functions; @@ -374,7 +375,7 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, unsigned int n, nbytes; int ret, locked; - locked = spin_trylock(&ctrblk_lock); + locked = mutex_trylock(&ctrblk_lock); ret = blkcipher_walk_virt_block(desc, walk, DES_BLOCK_SIZE); while ((nbytes = walk->nbytes) >= DES_BLOCK_SIZE) { @@ -391,7 +392,7 @@ static int ctr_desall_crypt(struct blkcipher_desc *desc, unsigned long fc, ret = blkcipher_walk_done(desc, walk, nbytes - n); } if (locked) - spin_unlock(&ctrblk_lock); + mutex_unlock(&ctrblk_lock); /* final block may be < DES_BLOCK_SIZE, copy only nbytes */ if (nbytes) { cpacf_kmctr(fc, ctx->key, buf, walk->src.virt.addr, |