From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 3 May 2021 20:52:44 +0000 (+0200)
Subject: ucm: Fix sysw sequence command not working when requesting to ignore errors
X-Git-Tag: v1.2.5~34
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=06543e06e913bafb4e2766c244f07be6a232ac4e;p=alsa-lib.git

ucm: Fix sysw sequence command not working when requesting to ignore errors

When the user requests to ignore sysfs write errors by prefixing
the path with a '-' then we need to skip the '-' when building the
actual path otherwise the write will never work.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/ucm/main.c b/src/ucm/main.c
index 2b07cc95..3df9b62a 100644
--- a/src/ucm/main.c
+++ b/src/ucm/main.c
@@ -517,7 +517,10 @@ static int execute_sysw(const char *sysw)
 	if (sysw == NULL || *sysw == '\0')
 		return 0;
 
-	ignore_error = sysw[0] == '-';
+	if (sysw[0] == '-') {
+		ignore_error = true;
+		sysw++;
+	}
 
 	if (sysw[0] == ':')
 		return -EINVAL;