Steven Rostedt 418c59e49d
tracing: Fix sparse warning with is_signed_type() macro ...
Sparse complains when is_signed_type() is used on a pointer.
This macro is needed for the format output used for ftrace
and perf, to know if a binary field is a signed type or not.
The is_signed_type() macro is used against all fields that are
recorded by events to automate the operation.
The problem sparse has is with the current way is_signed_type()
works:
((type)-1 < 0)
If "type" is a poiner, than sparse does not like it being compared
to an integer (zero). The simple fix is to just give zero the
same type. The runtime result stays the same.
Reported-by: Robert Jarzmik <robert.jarzmik@free.fr >
Signed-off-by: Steven Rostedt <rostedt@goodmis.org >
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418c59e49d