From 18f23d78714536c48ef5b0c0792d423102325ee4 Mon Sep 17 00:00:00 2001 From: mav Date: Mon, 21 Mar 2016 00:22:09 +0000 Subject: MFC r296528: MFV r296527: 6659 nvlist_free(NULL) is a no-op Reviewed by: Toomas Soome Reviewed by: Marcel Telka Approved by: Robert Mustacchi Author: Josef 'Jeff' Sipek illumos/illumos-gate@aab83bb83be7342f6cfccaed8d5fe0b2f404855d --- cddl/contrib/opensolaris/cmd/zfs/zfs_main.c | 3 +-- cddl/contrib/opensolaris/cmd/zpool/zpool_main.c | 6 ++---- cddl/contrib/opensolaris/cmd/zpool/zpool_vdev.c | 3 +-- .../opensolaris/lib/libzfs/common/libzfs_config.c | 3 +-- .../opensolaris/lib/libzfs/common/libzfs_dataset.c | 6 ++---- .../opensolaris/lib/libzfs/common/libzfs_import.c | 3 +-- .../opensolaris/lib/libzfs/common/libzfs_pool.c | 21 +++++++-------------- .../opensolaris/lib/libzfs/common/libzfs_sendrecv.c | 3 +-- 8 files changed, 16 insertions(+), 32 deletions(-) (limited to 'cddl') diff --git a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c index fd1e939..3739d5b 100644 --- a/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c +++ b/cddl/contrib/opensolaris/cmd/zfs/zfs_main.c @@ -5407,8 +5407,7 @@ zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un) cleanup0: nvlist_free(perm_nvl); - if (update_perm_nvl != NULL) - nvlist_free(update_perm_nvl); + nvlist_free(update_perm_nvl); cleanup1: fs_perm_set_fini(&fs_perm_set); cleanup2: diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c index c666263..8546c39 100644 --- a/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c +++ b/cddl/contrib/opensolaris/cmd/zpool/zpool_main.c @@ -3413,8 +3413,7 @@ zpool_do_split(int argc, char **argv) if (add_prop_list( zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE) != 0) { - if (props) - nvlist_free(props); + nvlist_free(props); usage(B_FALSE); } break; @@ -3427,8 +3426,7 @@ zpool_do_split(int argc, char **argv) propval++; if (add_prop_list(optarg, propval, &props, B_TRUE) != 0) { - if (props) - nvlist_free(props); + nvlist_free(props); usage(B_FALSE); } } else { diff --git a/cddl/contrib/opensolaris/cmd/zpool/zpool_vdev.c b/cddl/contrib/opensolaris/cmd/zpool/zpool_vdev.c index ee6b01d..74f3a3b 100644 --- a/cddl/contrib/opensolaris/cmd/zpool/zpool_vdev.c +++ b/cddl/contrib/opensolaris/cmd/zpool/zpool_vdev.c @@ -1445,8 +1445,7 @@ split_mirror_vdev(zpool_handle_t *zhp, char *newname, nvlist_t *props, } if (zpool_vdev_split(zhp, newname, &newroot, props, flags) != 0) { - if (newroot != NULL) - nvlist_free(newroot); + nvlist_free(newroot); return (NULL); } diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_config.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_config.c index c3dafd6..2f332a8 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_config.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_config.c @@ -318,8 +318,7 @@ zpool_refresh_stats(zpool_handle_t *zhp, boolean_t *missing) verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &newtxg) == 0); - if (zhp->zpool_old_config != NULL) - nvlist_free(zhp->zpool_old_config); + nvlist_free(zhp->zpool_old_config); if (oldtxg != newtxg) { nvlist_free(zhp->zpool_config); diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c index 9ceca19..dd09928 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c @@ -2058,8 +2058,7 @@ get_numeric_property(zfs_handle_t *zhp, zfs_prop_t prop, zprop_source_t *src, zcmd_free_nvlists(&zc); return (-1); } - if (zplprops) - nvlist_free(zplprops); + nvlist_free(zplprops); zcmd_free_nvlists(&zc); break; @@ -4334,8 +4333,7 @@ zfs_smb_acl_mgmt(libzfs_handle_t *hdl, char *dataset, char *path, return (-1); } error = ioctl(hdl->libzfs_fd, ZFS_IOC_SMB_ACL, &zc); - if (nvlist) - nvlist_free(nvlist); + nvlist_free(nvlist); return (error); } diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c index 0987024..133cc6f 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_import.c @@ -1331,8 +1331,7 @@ error: venext = ve->ve_next; for (ce = ve->ve_configs; ce != NULL; ce = cenext) { cenext = ce->ce_next; - if (ce->ce_config) - nvlist_free(ce->ce_config); + nvlist_free(ce->ce_config); free(ce); } free(ve); diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c index 7cdcfc9..4dc48fa 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c @@ -1054,12 +1054,9 @@ zpool_open(libzfs_handle_t *hdl, const char *pool) void zpool_close(zpool_handle_t *zhp) { - if (zhp->zpool_config) - nvlist_free(zhp->zpool_config); - if (zhp->zpool_old_config) - nvlist_free(zhp->zpool_old_config); - if (zhp->zpool_props) - nvlist_free(zhp->zpool_props); + nvlist_free(zhp->zpool_config); + nvlist_free(zhp->zpool_old_config); + nvlist_free(zhp->zpool_props); free(zhp); } @@ -1577,8 +1574,7 @@ zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, ret = zpool_import_props(hdl, config, newname, props, ZFS_IMPORT_NORMAL); - if (props) - nvlist_free(props); + nvlist_free(props); return (ret); } @@ -2901,8 +2897,7 @@ zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, &children) != 0) { zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Source pool is missing vdev tree")); - if (zc_props) - nvlist_free(zc_props); + nvlist_free(zc_props); return (-1); } @@ -3050,10 +3045,8 @@ out: free(varray); } zcmd_free_nvlists(&zc); - if (zc_props) - nvlist_free(zc_props); - if (newconfig) - nvlist_free(newconfig); + nvlist_free(zc_props); + nvlist_free(newconfig); if (freelist) { nvlist_free(*newroot); *newroot = NULL; diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c index d0d7af8..723cd42 100644 --- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c +++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c @@ -2794,8 +2794,7 @@ zfs_receive_package(libzfs_handle_t *hdl, int fd, const char *destname, out: fsavl_destroy(stream_avl); - if (stream_nv) - nvlist_free(stream_nv); + nvlist_free(stream_nv); if (softerr) error = -2; if (anyerr) -- cgit v1.1