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arm64: ftrace: (bugfix) synced with ftcace interface change

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ftrace_init() failed since ftrace_dyn_arch_init() doesn't initialize
the argument to null.
This bug comes in only if arm64 ftrace is back-ported as
ftrace_dyn_arch_init() interface has been changed in the merge window of
3.15.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
AKASHI Takahiro
2014-05-30 11:23:41 +09:00
committed by Mark Brown
parent d10fbc12d0
commit 0cc5286fc3
1 changed files with 1 additions and 0 deletions
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arch/arm64/kernel/ftrace.c
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@@ -94,6 +94,7 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
int __init ftrace_dyn_arch_init(void *data)
{
*(unsigned long *)data = 0;
return 0;
}
#endif /* CONFIG_DYNAMIC_FTRACE */