Date: Sun, 4 Jun 2017 18:35:30 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r319571 - head/sys/compat/linux Message-ID: <201706041835.v54IZUHE051525@repo.freebsd.org>
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Author: dchagin Date: Sun Jun 4 18:35:30 2017 New Revision: 319571 URL: https://svnweb.freebsd.org/changeset/base/319571 Log: 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 Modified: head/sys/compat/linux/linux_misc.c Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Sun Jun 4 18:24:41 2017 (r319570) +++ head/sys/compat/linux/linux_misc.c Sun Jun 4 18:35:30 2017 (r319571) @@ -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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