Fix more warnings

Emby.Server.Implementations/IO/LibraryMonitor.cs

@@ -601,20 +601,26 @@ namespace Emby.Server.Implementations.IO
         /// </summary>
         public void Dispose()
         {
-            _disposed = true;
             Dispose(true);
         }
 
         /// <summary>
         /// Releases unmanaged and - optionally - managed resources.
         /// </summary>
-        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
-        protected virtual void Dispose(bool dispose)
+        /// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool disposing)
         {
-            if (dispose)
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (disposing)
             {
                 Stop();
             }
+
+            _disposed = true;
         }
     }
 

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -35,7 +35,6 @@ using MediaBrowser.Model.Providers;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Reflection;
 using MediaBrowser.Model.Serialization;
-using MediaBrowser.Model.System;
 using MediaBrowser.Model.Threading;
 using Microsoft.Extensions.Logging;
 
@@ -275,7 +274,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             foreach (var timer in seriesTimers)
             {
-                await UpdateTimersForSeriesTimer(timer, false, true).ConfigureAwait(false);
+                UpdateTimersForSeriesTimer(timer, false, true);
             }
         }
 
@@ -763,12 +762,12 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 _timerProvider.AddOrUpdate(timer, false);
             }
 
-            await UpdateTimersForSeriesTimer(info, true, false).ConfigureAwait(false);
+            UpdateTimersForSeriesTimer(info, true, false);
 
             return info.Id;
         }
 
-        public async Task UpdateSeriesTimerAsync(SeriesTimerInfo info, CancellationToken cancellationToken)
+        public Task UpdateSeriesTimerAsync(SeriesTimerInfo info, CancellationToken cancellationToken)
         {
             var instance = _seriesTimerProvider.GetAll().FirstOrDefault(i => string.Equals(i.Id, info.Id, StringComparison.OrdinalIgnoreCase));
 
@@ -792,8 +791,10 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
                 _seriesTimerProvider.Update(instance);
 
-                await UpdateTimersForSeriesTimer(instance, true, true).ConfigureAwait(false);
+                UpdateTimersForSeriesTimer(instance, true, true);
             }
+
+            return Task.CompletedTask;
         }
 
         public Task UpdateTimerAsync(TimerInfo updatedTimer, CancellationToken cancellationToken)
@@ -2346,10 +2347,9 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             }
         }
 
-        private async Task UpdateTimersForSeriesTimer(SeriesTimerInfo seriesTimer, bool updateTimerSettings, bool deleteInvalidTimers)
+        private void UpdateTimersForSeriesTimer(SeriesTimerInfo seriesTimer, bool updateTimerSettings, bool deleteInvalidTimers)
         {
-            var allTimers = GetTimersForSeries(seriesTimer)
-                .ToList();
+            var allTimers = GetTimersForSeries(seriesTimer).ToList();
 
 
             var enabledTimersForSeries = new List<TimerInfo>();

Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs

@@ -94,7 +94,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             var now = DateTime.UtcNow;
 
-            StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
+            var _ = StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
 
             //OpenedMediaSource.Protocol = MediaProtocol.File;
             //OpenedMediaSource.Path = tempFile;

Emby.Server.Implementations/Updates/InstallationManager.cs

@@ -164,7 +164,7 @@ namespace Emby.Server.Implementations.Updates
         /// Gets all available packages.
         /// </summary>
         /// <returns>Task{List{PackageInfo}}.</returns>
-        public async Task<List<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken,
+        public Task<List<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken,
             bool withRegistration = true,
             string packageType = null,
             Version applicationVersion = null)
@@ -172,7 +172,7 @@ namespace Emby.Server.Implementations.Updates
             // TODO cvium: when plugins get back this would need to be fixed
             // var packages = await GetAvailablePackagesWithoutRegistrationInfo(cancellationToken).ConfigureAwait(false);
 
-            return new List<PackageInfo>(); //FilterPackages(packages, packageType, applicationVersion);
+            return Task.FromResult(new List<PackageInfo>()); //FilterPackages(packages, packageType, applicationVersion);
         }
 
         /// <summary>

Jellyfin.Server/Program.cs

@@ -62,7 +62,7 @@ namespace Jellyfin.Server
 
             // $JELLYFIN_LOG_DIR needs to be set for the logger configuration manager
             Environment.SetEnvironmentVariable("JELLYFIN_LOG_DIR", appPaths.LogDirectoryPath);
-            await createLogger(appPaths);
+            await CreateLogger(appPaths);
             _logger = _loggerFactory.CreateLogger("Main");
 
             AppDomain.CurrentDomain.UnhandledException += (sender, e)
@@ -95,7 +95,7 @@ namespace Jellyfin.Server
 
             _logger.LogInformation("Jellyfin version: {Version}", Assembly.GetEntryAssembly().GetName().Version);
 
-            EnvironmentInfo environmentInfo = new EnvironmentInfo(getOperatingSystem());
+            EnvironmentInfo environmentInfo = new EnvironmentInfo(GetOperatingSystem());
             ApplicationHost.LogEnvironmentInfo(_logger, appPaths, environmentInfo);
 
             SQLitePCL.Batteries_V2.Init();
@@ -226,7 +226,7 @@ namespace Jellyfin.Server
             return new ServerApplicationPaths(programDataPath, appPath, appPath, logDir, configDir);
         }
 
-        private static async Task createLogger(IApplicationPaths appPaths)
+        private static async Task CreateLogger(IApplicationPaths appPaths)
         {
             try
             {
@@ -286,7 +286,7 @@ namespace Jellyfin.Server
             return new NullImageEncoder();
         }
 
-        private static MediaBrowser.Model.System.OperatingSystem getOperatingSystem()
+        private static MediaBrowser.Model.System.OperatingSystem GetOperatingSystem()
         {
             switch (Environment.OSVersion.Platform)
             {

MediaBrowser.Api/PackageService.cs

@@ -197,7 +197,7 @@ namespace MediaBrowser.Api
                 throw new ResourceNotFoundException(string.Format("Package not found: {0}", request.Name));
             }
 
-            Task.Run(() => _installationManager.InstallPackage(package, true, new SimpleProgress<double>(), CancellationToken.None));
+            await _installationManager.InstallPackage(package, true, new SimpleProgress<double>(), CancellationToken.None);
         }
 
         /// <summary>

MediaBrowser.Api/UserLibrary/PlaystateService.cs

@@ -247,14 +247,14 @@ namespace MediaBrowser.Api.UserLibrary
         /// Posts the specified request.
         /// </summary>
         /// <param name="request">The request.</param>
-        public async Task<object> Post(MarkPlayedItem request)
+        public object Post(MarkPlayedItem request)
         {
-            var result = await MarkPlayed(request).ConfigureAwait(false);
+            var result = MarkPlayed(request);
 
             return ToOptimizedResult(result);
         }
 
-        private async Task<UserItemDataDto> MarkPlayed(MarkPlayedItem request)
+        private UserItemDataDto MarkPlayed(MarkPlayedItem request)
         {
             var user = _userManager.GetUserById(request.UserId);
 
@@ -403,10 +403,10 @@ namespace MediaBrowser.Api.UserLibrary
         {
             var task = MarkUnplayed(request);
 
-            return ToOptimizedResult(task.Result);
+            return ToOptimizedResult(task);
         }
 
-        private async Task<UserItemDataDto> MarkUnplayed(MarkUnplayedItem request)
+        private UserItemDataDto MarkUnplayed(MarkUnplayedItem request)
         {
             var user = _userManager.GetUserById(request.UserId);