[PATCH 4.9 050/145] perf top: Fix window dimensions change handling

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Jiri Olsa [ Upstream commit 89d0aeab4252adc2a7ea693637dd21c588bfa2d1 ] The stdio perf top crashes when we change the terminal window size. The reason is that we assumed we

[PATCH 4.9 050/145] perf top: Fix window dimensions change handling

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Jiri Olsa [ Upstream commit 89d0aeab4252adc2a7ea693637dd21c588bfa2d1 ] The stdio perf top crashes when we change the terminal window size. The reason is that we assumed we get the perf_top