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Trying to set the progress block with a nil identifire doesn't make sense. (#3117)

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Garrett Moon 2017-03-01 19:51:16 -08:00 committed by Adlai Holler
parent 67baa44fb5
commit 40d3a1de7a
1 changed files with 3 additions and 1 deletions
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Source/ASNetworkImageNode.mm
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@ -439,7 +439,9 @@ static const CGSize kMinReleaseImageOnBackgroundSize = {20.0, 20.0};
if (clearAndReattempt) { if (clearAndReattempt) {
// In this case another thread changed the _downloadIdentifierForProgressBlock before we finished registering // In this case another thread changed the _downloadIdentifierForProgressBlock before we finished registering
// the new progress block for newDownloadIDForProgressBlock ID. Let's clear it now and reattempt to register // the new progress block for newDownloadIDForProgressBlock ID. Let's clear it now and reattempt to register
[_downloader setProgressImageBlock:nil callbackQueue:dispatch_get_main_queue() withDownloadIdentifier:newDownloadIDForProgressBlock]; if (newDownloadIDForProgressBlock) {
[_downloader setProgressImageBlock:nil callbackQueue:dispatch_get_main_queue() withDownloadIdentifier:newDownloadIDForProgressBlock];
}
[self _updateProgressImageBlockOnDownloaderIfNeeded]; [self _updateProgressImageBlockOnDownloaderIfNeeded];
} }
} }