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authorAndy Shevchenko <[email protected]>2017-12-28 14:25:23 +0200
committerIngo Molnar <[email protected]>2018-01-08 20:01:44 +0100
commit9d0513d82f1a8fe17b41f113ac5922fa57dbaf5c (patch)
tree145a8b0de384b24243a98baf76588cd611ed857e /tools/perf/scripts/python/export-to-sqlite.py
parentb94b7373317164402ff7728d10f7023127a02b60 (diff)
x86/platform/intel-mid: Revert "Make 'bt_sfi_data' const"
So one of the constification patches unearthed a type casting fragility of the underlying code: 276c87054751 ("x86/platform/intel-mid: Make 'bt_sfi_data' const") converted the struct to be const while it is also used as a temporary container for important data that is used to fill 'parent' and 'name' fields in struct platform_device_info. The compiler doesn't notice this due to an explicit type cast that loses the const - which fragility will be fixed separately. This type cast turned a seemingly trivial const propagation patch into a hard to debug data corruptor and crasher bug. Signed-off-by: Andy Shevchenko <[email protected]> Cc: Bhumika Goyal <[email protected]> Cc: Darren Hart <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
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