From: Tobias Stoeckmann <tobias@stoeckmann.org>
Date: Sun, 8 Oct 2023 18:47:53 +0000 (+0200)
Subject: lib/path: set errno in case of error
X-Git-Tag: v2.39.3~36
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=f8ab70477e2ca7ac050fd4e2337b76a1972c8aa3;p=thirdparty%2Futil-linux.git

lib/path: set errno in case of error

Some programs like lscpu expect errno to be set if ul_path_cpuparse
fails.

[kzak@redhat.com: - backport to stable/v2.39]

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/lib/path.c b/lib/path.c
index 1a8a21c124..258fa048d6 100644
--- a/lib/path.c
+++ b/lib/path.c
@@ -1046,12 +1046,16 @@ static int ul_path_cpuparse(struct path_cxt *pc, cpu_set_t **set, int maxcpus, i
 	if (islist) {
 		if (cpulist_parse(buf, *set, setsize, 0)) {
 			cpuset_free(*set);
-			return -EINVAL;
+			errno = EINVAL;
+			rc = -errno;
+			return rc;
 		}
 	} else {
 		if (cpumask_parse(buf, *set, setsize)) {
 			cpuset_free(*set);
-			return -EINVAL;
+			errno = EINVAL;
+			rc = -errno;
+			return rc;
 		}
 	}
 	return 0;