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ubsan: no need to unset panic_on_warn in ubsan_epilogue()

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panic_on_warn is unset inside panic(), so no need to unset it before
calling panic() in ubsan_epilogue().

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Tiezhu Yang <[email protected]>
Reviewed-by: Marco Elver <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Xuefeng Li <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Tiezhu Yang authored and Linus Torvalds committed 2022-03-23 19:00:35 -07:00
1 parent 1a2383e8b8
commit d83ce027a5
1 file changed
+1 -9
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lib/ubsan.c
+1 -9
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@@ -154,16 +154,8 @@ static void ubsan_epilogue(void)
current->in_ubsan--;
if (panic_on_warn) {
/*
* This thread may hit another WARN() in the panic path.
* Resetting this prevents additional WARN() from panicking the
* system on this thread. Other threads are blocked by the
* panic_mutex in panic().
*/
panic_on_warn = 0;
if (panic_on_warn)
panic("panic_on_warn set ...\n");
}
}
void __ubsan_handle_divrem_overflow(void *_data, void *lhs, void *rhs)