Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / arch / s390 / crypto / prng.c

diff --git a/kernel/arch/s390/crypto/prng.c b/kernel/arch/s390/crypto/prng.c
index b8045b9..683a966 100644 (file)
--- a/kernel/arch/s390/crypto/prng.c
+++ b/kernel/arch/s390/crypto/prng.c
@@ -565,8 +565,10 @@ static ssize_t prng_tdes_read(struct file *file, char __user *ubuf,
                prng_data->prngws.byte_counter += n;
                prng_data->prngws.reseed_counter += n;
 
-               if (copy_to_user(ubuf, prng_data->buf, chunk))
-                       return -EFAULT;
+               if (copy_to_user(ubuf, prng_data->buf, chunk)) {
+                       ret = -EFAULT;
+                       break;
+               }
 
                nbytes -= chunk;
                ret += chunk;
@@ -669,11 +671,13 @@ static const struct file_operations prng_tdes_fops = {
 static struct miscdevice prng_sha512_dev = {
        .name   = "prandom",
        .minor  = MISC_DYNAMIC_MINOR,
+       .mode   = 0644,
        .fops   = &prng_sha512_fops,
 };
 static struct miscdevice prng_tdes_dev = {
        .name   = "prandom",
        .minor  = MISC_DYNAMIC_MINOR,
+       .mode   = 0644,
        .fops   = &prng_tdes_fops,
 };