Date: Sun, 11 Jun 2017 09:33:09 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r319823 - stable/11/sys/compat/linux Message-ID: <201706110933.v5B9X9QJ006148@repo.freebsd.org>
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Author: dchagin Date: Sun Jun 11 09:33:09 2017 New Revision: 319823 URL: https://svnweb.freebsd.org/changeset/base/319823 Log: MFC r319571: 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 Approved by: re (kib) Modified: stable/11/sys/compat/linux/linux_misc.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linux/linux_misc.c ============================================================================== --- stable/11/sys/compat/linux/linux_misc.c Sun Jun 11 04:03:09 2017 (r319822) +++ stable/11/sys/compat/linux/linux_misc.c Sun Jun 11 09:33:09 2017 (r319823) @@ -2516,6 +2516,7 @@ linux_getrandom(struct thread *td, struct linux_getran { 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_getran 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
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