Blame SOURCES/0001-The-scheduler-could-crash-while-adding-an-IPP-Everyw.patch
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diff --git a/scheduler/ipp.c b/scheduler/ipp.c
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index 649995bb5..2396c9b58 100644
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--- a/scheduler/ipp.c
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+++ b/scheduler/ipp.c
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@@ -4873,6 +4873,8 @@ copy_printer_attrs(
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* and document-format attributes that may be provided by the client.
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*/
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+ _cupsRWLockRead(&printer->lock);
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+
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curtime = time(NULL);
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if (!ra || cupsArrayFind(ra, "marker-change-time"))
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@@ -5034,6 +5036,8 @@ copy_printer_attrs(
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if (printer->ppd_attrs)
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copy_attrs(con->response, printer->ppd_attrs, ra, IPP_TAG_ZERO, 0, NULL);
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copy_attrs(con->response, CommonData, ra, IPP_TAG_ZERO, IPP_TAG_COPY, NULL);
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+
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+ _cupsRWUnlock(&printer->lock);
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}
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