Merge #16135: gui: Set progressDialog to nullptr

d2ae6be80f gui: Set progressDialog to nullptr (João Barbosa)

Pull request description:

  If a progress notification `> 0` arrives immediately after notification `= 100` then `progressDialog` is a dangling pointer.

  Potential fix for #16134.

ACKs for commit d2ae6b:
  hebasto:
    utACK d2ae6be80f
  fanquake:
    tACK d2ae6be80f

Tree-SHA512: 300ddde2f27c494b19a5bd4085400d0f5a1d4980fe8cc3c07bfebb037efc35f777215ff1a095eeb16658407e11f04456137393e88a12fdd767b7aac5f12eab5e
This commit is contained in:
Wladimir J. van der Laan 2019-06-03 22:08:16 +02:00
commit 38523721ac
No known key found for this signature in database
GPG key ID: 1E4AED62986CD25D
2 changed files with 2 additions and 0 deletions

View file

@ -1341,6 +1341,7 @@ void BitcoinGUI::showProgress(const QString &title, int nProgress)
if (progressDialog) {
progressDialog->close();
progressDialog->deleteLater();
progressDialog = nullptr;
}
} else if (progressDialog) {
progressDialog->setValue(nProgress);

View file

@ -316,6 +316,7 @@ void WalletView::showProgress(const QString &title, int nProgress)
if (progressDialog) {
progressDialog->close();
progressDialog->deleteLater();
progressDialog = nullptr;
}
} else if (progressDialog) {
if (progressDialog->wasCanceled()) {