diff options
Diffstat (limited to 'arch/s390/crypto/prng.c')
| -rw-r--r-- | arch/s390/crypto/prng.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index 9cc050f9536c..daf9bb063aaa 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -21,7 +21,7 @@ #include <linux/random.h> #include <linux/slab.h> #include <asm/debug.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/timex.h> #include <asm/cpacf.h> @@ -507,8 +507,10 @@ 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; |