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Fix panic on shutdown of ramdisk LU with zero capacity.

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MFC after:	1 week
This commit is contained in:
mav 2017-02-14 18:03:17 +00:00
parent 498edf8d92
commit 9c3a2b1576
1 changed files with 3 additions and 1 deletions
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4
sys/cam/ctl/ctl_backend_ramdisk.c
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@ -1120,8 +1120,10 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
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);