Date: Tue, 21 Feb 2017 05:12:43 +0000 (UTC) From: Alexander Motin <mav@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: r314025 - stable/11/sys/cam/ctl Message-ID: <201702210512.v1L5ChSj086293@repo.freebsd.org>
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Author: mav Date: Tue Feb 21 05:12:42 2017 New Revision: 314025 URL: https://svnweb.freebsd.org/changeset/base/314025 Log: MFC r313736: Fix panic on shutdown of ramdisk LU with zero capacity. Modified: stable/11/sys/cam/ctl/ctl_backend_ramdisk.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/cam/ctl/ctl_backend_ramdisk.c ============================================================================== --- stable/11/sys/cam/ctl/ctl_backend_ramdisk.c Tue Feb 21 05:08:07 2017 (r314024) +++ stable/11/sys/cam/ctl/ctl_backend_ramdisk.c Tue Feb 21 05:12:42 2017 (r314025) @@ -1120,8 +1120,10 @@ ctl_backend_ramdisk_create(struct ctl_be STAILQ_INIT(&be_lun->cont_queue); sx_init(&be_lun->page_lock, "cram page lock"); - if (be_lun->cap_bytes == 0) + if (be_lun->cap_bytes == 0) { + be_lun->indir = 0; be_lun->pages = malloc(be_lun->pblocksize, M_RAMDISK, M_WAITOK); + } be_lun->zero_page = malloc(be_lun->pblocksize, M_RAMDISK, M_WAITOK|M_ZERO); mtx_init(&be_lun->queue_lock, "cram queue lock", NULL, MTX_DEF);
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