diff options
Diffstat (limited to 'usr/src/lib/libumem/common/vmem.c')
| -rw-r--r-- | usr/src/lib/libumem/common/vmem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr/src/lib/libumem/common/vmem.c b/usr/src/lib/libumem/common/vmem.c index f66cccc698..a04a538e69 100644 --- a/usr/src/lib/libumem/common/vmem.c +++ b/usr/src/lib/libumem/common/vmem.c @@ -22,7 +22,7 @@ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. - * Copyright 2012 Joyent, Inc. All rights reserved. + * Copyright 2019, Joyent, Inc. * Copyright (c) 2017 by Delphix. All rights reserved. */ @@ -819,7 +819,7 @@ vmem_xalloc(vmem_t *vmp, size_t size, size_t align, size_t phase, { vmem_seg_t *vsp; vmem_seg_t *vbest = NULL; - uintptr_t addr, taddr, start, end; + uintptr_t addr = 0, taddr, start, end; void *vaddr; int hb, flist, resv; uint32_t mtbf; @@ -981,6 +981,9 @@ vmem_xalloc(vmem_t *vmp, size_t size, size_t align, size_t phase, (void) pthread_setcancelstate(cancel_state, NULL); } if (vbest != NULL) { + if (addr == 0) { + umem_panic("vmem_xalloc(): addr == 0"); + } ASSERT(vbest->vs_type == VMEM_FREE); ASSERT(vbest->vs_knext != vbest); (void) vmem_seg_alloc(vmp, vbest, addr, size); |