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Fix coverity defects: CID 147488, 147490

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CID 147488, Type:explicit null dereferenced
CID 147490, Type:dereference null return value

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: cao.xuewen <cao.xuewen@zte.com.cn>
Closes #5237
This commit is contained in:
cao
2016-10-15 02:00:47 +08:00
committed by Brian Behlendorf
parent 3691598e26
commit b6ca6193f7
2 changed files with 8 additions and 2 deletions
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lib/libzfs/libzfs_util.c
+7 -1
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@@ -1585,6 +1585,7 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop,
const char *propname;
char *value;
boolean_t isnone = B_FALSE;
int err = 0;
if (type == ZFS_TYPE_POOL) {
proptype = zpool_prop_get_type(prop);
@@ -1607,7 +1608,12 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop,
"'%s' must be a string"), nvpair_name(elem));
goto error;
}
(void) nvpair_value_string(elem, svalp);
err = nvpair_value_string(elem, svalp);
if (err != 0) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"'%s' is invalid"), nvpair_name(elem));
goto error;
}
if (strlen(*svalp) >= ZFS_MAXPROPLEN) {
zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
"'%s' is too long"), nvpair_name(elem));