summaryrefslogtreecommitdiff
path: root/arch/s390/crypto/des_s390.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2019-06-26 14:39:34 +0300
committerMark Brown <broonie@kernel.org>2019-06-26 14:39:34 +0300
commit53c8b29abe42e5601cfa0ea5962532f0cfdec8a0 (patch)
treecad53f42ce7a03c39a984bcdbcc42cd47f1af6f9 /arch/s390/crypto/des_s390.c
parente3303268f9cfa4eb7c2217df471417d4327109fd (diff)
parent4b972a01a7da614b4796475f933094751a295a2f (diff)
downloadlinux-53c8b29abe42e5601cfa0ea5962532f0cfdec8a0.tar.xz
Merge tag 'v5.2-rc6' into asoc-5.3
Linux 5.2-rc6
Diffstat (limited to 'arch/s390/crypto/des_s390.c')
-rw-r--r--arch/s390/crypto/des_s390.c7
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,