On success, getrandom() Linux system call returns the number of bytes that

were copied to the buffer supplied by the user.

PR:           219464
Submitted by: Maciej Pasternacki
Reported by:  Maciej Pasternacki
MFC after:    1 week

This commit is contained in:

Dmitry Chagin

2017-06-04 18:35:30 +00:00

parent e2e6a2a1b6

commit 51d93426d9

1 changed files with 5 additions and 1 deletions

									
										sys/compat/linux/linux_misc.c
									
		+5
		-1
	
												View File
												
				@@ -2516,6 +2516,7 @@ linux_getrandom(struct thread *td, struct linux_getrandom_args *args)

				{

					struct uio uio;

					struct iovec iov;

					int error;

					if (args->flags & ~(LINUX_GRND_NONBLOCK|LINUX_GRND_RANDOM))

						return (EINVAL);

				@@ -2532,7 +2533,10 @@ linux_getrandom(struct thread *td, struct linux_getrandom_args *args)

					uio.uio_rw = UIO_READ;

					uio.uio_td = td;

					return (read_random_uio(&uio, args->flags & LINUX_GRND_NONBLOCK));

					error = read_random_uio(&uio, args->flags & LINUX_GRND_NONBLOCK);

					if (error == 0)

						td->td_retval[0] = args->count - uio.uio_resid;

					return (error);

				}

				int