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For some reason the export of the event print format to userspace
uses '#fmt' which breaks if the format string is anything but a plain
string, for example if it is built with macros then the macro names
are exported instead of their contents.
Use
"\"%s\"", fmt
instead of
"%s", #fmt
to export the string and not the way it is built.
For example, in net/mac80211/driver-trace.h for the trace event drv_start
there is:
TP_printk(
LOCAL_PR_FMT, LOCAL_PR_ARG
)
Which use to produce:
print fmt: LOCAL_PR_FMT, REC->wiphy_name
Now produces:
print fmt: "%s", REC->wiphy_name
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
LKML-Reference: <20091113224009.GB23942@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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| asm-generic | ||
| crypto | ||
| drm | ||
| keys | ||
| linux | ||
| math-emu | ||
| media | ||
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