forked from Minki/linux
ring-buffer: reset write field for ring_buffer_read_page
Impact: fix ring_buffer_read_page After a page is swapped into the ring buffer, the write field must also be reset. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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633ddaa7f4
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@ -2492,6 +2492,7 @@ int ring_buffer_read_page(struct ring_buffer *buffer,
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rb_init_page(bpage);
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bpage = cpu_buffer->reader_page->page;
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cpu_buffer->reader_page->page = *data_page;
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local_set(&cpu_buffer->reader_page->write, 0);
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cpu_buffer->reader_page->read = 0;
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*data_page = bpage;
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}
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