lxc_init: s/SYSDEBUG()/SYSERROR()/g in remove_self

Since we switched to execveat() whenever possible in commit 4b5b3a2a ("execute: use execveat() syscall if supported") it is unlikely that remove_self() has any job to do at all. So dumb down the error levels. Closes #2536. Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

lxc_init: s/SYSDEBUG()/SYSERROR()/g in remove_self
4c61817d · Christian Brauner · a65febb0 · 4c61817d
Unverified Commit 4c61817d authored Aug 17, 2018 by Christian Brauner
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lxc_init.c src/lxc/cmd/lxc_init.c +3 -3

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--- a/src/lxc/cmd/lxc_init.c
+++ b/src/lxc/cmd/lxc_init.c
@@ -201,20 +201,20 @@ static void remove_self(void)

 	n = readlink("/proc/self/exe", path, sizeof(path));
 	if (n < 0 || n >= MAXPATHLEN) {
-		SYSERROR("Failed to readlink \"/proc/self/exe\"");
+		SYSDEBUG("Failed to readlink \"/proc/self/exe\"");
 		return;
 	}
 	path[n] = '\0';

 	ret = umount2(path, MNT_DETACH);
 	if (ret < 0) {
-		SYSERROR("Failed to unmount \"%s\"", path);
+		SYSDEBUG("Failed to unmount \"%s\"", path);
 		return;
 	}

 	ret = unlink(path);
 	if (ret < 0) {
-		SYSERROR("Failed to unlink \"%s\"", path);
+		SYSDEBUG("Failed to unlink \"%s\"", path);
 		return;
 	}
 }