From: Zdenek Kabelac <zkabelac@redhat.com>
Date: Sun, 7 Mar 2021 20:52:10 +0000 (+0100)
Subject: libdm-config: replace check for 0
X-Git-Tag: v2_03_12~306
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=d3cff64408d63dfae20e3e3b307915dc08436ef8;p=lvm2.git

libdm-config: replace check for 0

No need to call strlen() when checking for zero length string.
---

diff --git a/device_mapper/libdm-config.c b/device_mapper/libdm-config.c
index 7ce5620c6..a4c79c20d 100644
--- a/device_mapper/libdm-config.c
+++ b/device_mapper/libdm-config.c
@@ -599,7 +599,7 @@ static struct dm_config_node *_section(struct parser *p, struct dm_config_node *
 		match(TOK_IDENTIFIER);
 	}
 
-	if (!strlen(str)) {
+	if (!*str) {
 		log_error("Parse error at byte %" PRIptrdiff_t " (line %d): empty section identifier",
 			  p->tb - p->fb + 1, p->line);
 		return NULL;