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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-14 05:52:16 +01:00
Namhyung Kim
6024cf3898
The function handler should be unregistered when the plugin is unloaded otherwise it'll try to access invalid memory. Signed-off-by: Namhyung Kim <[email protected]> Reviewed-by: Jiri Olsa <[email protected]> Acked-by: Steven Rostedt <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Steven Rostedt <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
31 lines
729 B
C
31 lines
729 B
C
#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <endian.h>
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#include "event-parse.h"
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static unsigned long long
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process___le16_to_cpup(struct trace_seq *s,
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unsigned long long *args)
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{
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uint16_t *val = (uint16_t *) (unsigned long) args[0];
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return val ? (long long) le16toh(*val) : 0;
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}
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int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
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{
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pevent_register_print_function(pevent,
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process___le16_to_cpup,
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PEVENT_FUNC_ARG_INT,
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"__le16_to_cpup",
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PEVENT_FUNC_ARG_PTR,
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PEVENT_FUNC_ARG_VOID);
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return 0;
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}
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void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
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{
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pevent_unregister_print_function(pevent, process___le16_to_cpup,
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"__le16_to_cpup");
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}
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