49 lines
1.4 KiB
Diff
49 lines
1.4 KiB
Diff
|
From 3c740d90490abe64c86c667934ba5d990817b873 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Jaroslav Kysela <perex@perex.cz>
|
||
|
|
Date: Wed, 20 Nov 2019 13:20:39 +0100
|
||
|
|
Subject: [PATCH 06/26] alsactl: sysfs - add /sys/kernel/uevent_seqnum check to
|
||
|
|
init
|
||
|
|
|
||
|
|
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
|
||
|
|
---
|
||
|
|
alsactl/init_sysfs.c | 13 +++++++++----
|
||
|
|
1 file changed, 9 insertions(+), 4 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/alsactl/init_sysfs.c b/alsactl/init_sysfs.c
|
||
|
|
index 5c789b61b0e5..57ef615a2c76 100644
|
||
|
|
--- a/alsactl/init_sysfs.c
|
||
|
|
+++ b/alsactl/init_sysfs.c
|
||
|
|
@@ -34,6 +34,8 @@ static int sysfs_init(void)
|
||
|
|
const char *env;
|
||
|
|
char sysfs_test[PATH_SIZE];
|
||
|
|
|
||
|
|
+ INIT_LIST_HEAD(&attr_list);
|
||
|
|
+
|
||
|
|
env = getenv("SYSFS_PATH");
|
||
|
|
if (env) {
|
||
|
|
strlcpy(sysfs_path, env, sizeof(sysfs_path));
|
||
|
|
@@ -43,13 +45,16 @@ static int sysfs_init(void)
|
||
|
|
dbg("sysfs_path='%s'", sysfs_path);
|
||
|
|
|
||
|
|
strlcpy(sysfs_test, sysfs_path, sizeof(sysfs_test));
|
||
|
|
- strlcat(sysfs_test, "/kernel/uevent_helper", sizeof(sysfs_test));
|
||
|
|
+ strlcat(sysfs_test, "/kernel/uevent_seqnum", sizeof(sysfs_test));
|
||
|
|
if (access(sysfs_test, F_OK)) {
|
||
|
|
- error("sysfs path '%s' is invalid\n", sysfs_path);
|
||
|
|
- return -errno;
|
||
|
|
+ strlcpy(sysfs_test, sysfs_path, sizeof(sysfs_test));
|
||
|
|
+ strlcat(sysfs_test, "/kernel/uevent_helper", sizeof(sysfs_test));
|
||
|
|
+ if (access(sysfs_test, F_OK)) {
|
||
|
|
+ error("sysfs path '%s' is invalid", sysfs_path);
|
||
|
|
+ return -errno;
|
||
|
|
+ }
|
||
|
|
}
|
||
|
|
|
||
|
|
- INIT_LIST_HEAD(&attr_list);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
--
|
||
|
|
2.16.4
|
||
|
|
|