From: Karel Zak <kzak@redhat.com>
Date: Wed, 12 Mar 2025 14:34:17 +0000 (+0100)
Subject: hwclock: avoid dereferencing a pointer [coverity scan]
X-Git-Tag: v2.41~24
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=59ebdd1d4ba3facb0968cce1bb1ac1bb5a15bfad;p=thirdparty%2Futil-linux.git

hwclock: avoid dereferencing a pointer [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
(cherry picked from commit 16c1d8734847bdeac0e6650a7364e33fb881bfc6)
---

diff --git a/sys-utils/hwclock-rtc.c b/sys-utils/hwclock-rtc.c
index e1ee6a05d..f7d766f2c 100644
--- a/sys-utils/hwclock-rtc.c
+++ b/sys-utils/hwclock-rtc.c
@@ -431,6 +431,9 @@ static int resolve_rtc_param_alias(const char *alias, __u64 *value)
 {
 	const struct hwclock_param *param = &hwclock_params[0];
 
+	if (!alias)
+		return 1;
+
 	while (param->name) {
 		if (!strcmp(alias, param->name)) {
 			*value = param->id;