Date: Tue, 14 Feb 2017 18:03:17 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r313736 - head/sys/cam/ctl Message-ID: <201702141803.v1EI3HpB072539@repo.freebsd.org>
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Author: mav Date: Tue Feb 14 18:03:17 2017 New Revision: 313736 URL: https://svnweb.freebsd.org/changeset/base/313736 Log: Fix panic on shutdown of ramdisk LU with zero capacity. MFC after: 1 week Modified: head/sys/cam/ctl/ctl_backend_ramdisk.c Modified: head/sys/cam/ctl/ctl_backend_ramdisk.c ============================================================================== --- head/sys/cam/ctl/ctl_backend_ramdisk.c Tue Feb 14 17:49:08 2017 (r313735) +++ head/sys/cam/ctl/ctl_backend_ramdisk.c Tue Feb 14 18:03:17 2017 (r313736) @@ -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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