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| author | Brian Behlendorf <[email protected]> | 2012-11-27 14:02:49 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2012-11-27 14:10:31 -0800 |
| commit | f74a147c022f79916e8525c2c16b1603f91202aa (patch) | |
| tree | dee228b79894774032144e6475443ac83d4e0c48 /module | |
| parent | 30315d237bb23226476b348bc591589c80597351 (diff) | |
Fix NULL deref when zvol_alloc() fails
If zvol_alloc() fails zv will be set to NULL and dereferenced
in out_dmu_objset_disown. To avoid this entirely the zv->objset
line is moved up in to the success block.
Original-patch-by: Jorgen Lundman <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1109
Diffstat (limited to 'module')
| -rw-r--r-- | module/zfs/zvol.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/module/zfs/zvol.c b/module/zfs/zvol.c index c3bd25c3b..5d4802560 100644 --- a/module/zfs/zvol.c +++ b/module/zfs/zvol.c @@ -1306,9 +1306,9 @@ __zvol_create_minor(const char *name) else zil_replay(os, zv, zvol_replay_vector); + zv->zv_objset = NULL; out_dmu_objset_disown: dmu_objset_disown(os, zvol_tag); - zv->zv_objset = NULL; out_doi: kmem_free(doi, sizeof(dmu_object_info_t)); out: |