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Fix coverity defects: CID 147448, 147449, 147450, 147453, 147454

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coverity scan CID:147448,type: unchecked return value
coverity scan CID:147449,type: unchecked return value
coverity scan CID:147450,type: unchecked return value
coverity scan CID:147453,type: unchecked return value
coverity scan CID:147454,type: unchecked return value

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: luozhengzheng <luo.zhengzheng@zte.com.cn>
Closes #5206
This commit is contained in:
luozhengzheng 2016-10-03 02:24:54 +08:00 committed by Brian Behlendorf
parent 0ca5261be4
commit aecdc70604
5 changed files with 5 additions and 5 deletions
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2
cmd/zpios/zpios_main.c
View File

@ -388,7 +388,7 @@ dev_clear(void)
fprintf(stderr, "Ioctl() error %lu / %d: %d\n", fprintf(stderr, "Ioctl() error %lu / %d: %d\n",
(unsigned long) ZPIOS_CFG, cfg.cfg_cmd, errno); (unsigned long) ZPIOS_CFG, cfg.cfg_cmd, errno);
lseek(zpiosctl_fd, 0, SEEK_SET); (void) lseek(zpiosctl_fd, 0, SEEK_SET);
return (rc); return (rc);
} }

2
cmd/zpool/zpool_vdev.c
View File

@ -735,7 +735,7 @@ make_leaf_vdev(nvlist_t *props, const char *arg, uint64_t is_log)
} }
if (ashift > 0) if (ashift > 0)
nvlist_add_uint64(vdev, ZPOOL_CONFIG_ASHIFT, ashift); (void) nvlist_add_uint64(vdev, ZPOOL_CONFIG_ASHIFT, ashift);
return (vdev); return (vdev);
} }

2
lib/libzfs/libzfs_pool.c
View File

@ -3468,7 +3468,7 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 || if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 ||
name_flags & VDEV_NAME_GUID) { name_flags & VDEV_NAME_GUID) {
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value); (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value);
(void) snprintf(buf, sizeof (buf), "%llu", (u_longlong_t)value); (void) snprintf(buf, sizeof (buf), "%llu", (u_longlong_t)value);
path = buf; path = buf;
} else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {

2
module/zfs/fm.c
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@ -652,7 +652,7 @@ zfs_zevent_next(zfs_zevent_t *ze, nvlist_t **event, uint64_t *event_size,
ze->ze_zevent = ev; ze->ze_zevent = ev;
list_insert_head(&ev->ev_ze_list, ze); list_insert_head(&ev->ev_ze_list, ze);
nvlist_dup(ev->ev_nvl, event, KM_SLEEP); (void) nvlist_dup(ev->ev_nvl, event, KM_SLEEP);
*dropped = ze->ze_dropped; *dropped = ze->ze_dropped;
ze->ze_dropped = 0; ze->ze_dropped = 0;
out: out:

2
module/zfs/zfs_znode.c
View File

@ -456,7 +456,7 @@ zfs_inode_set_ops(zfs_sb_t *zsb, struct inode *ip)
*/ */
case S_IFCHR: case S_IFCHR:
case S_IFBLK: case S_IFBLK:
sa_lookup(ITOZ(ip)->z_sa_hdl, SA_ZPL_RDEV(zsb), &rdev, (void) sa_lookup(ITOZ(ip)->z_sa_hdl, SA_ZPL_RDEV(zsb), &rdev,
sizeof (rdev)); sizeof (rdev));
/*FALLTHROUGH*/ /*FALLTHROUGH*/
case S_IFIFO: case S_IFIFO: