xtensa: fix change_bit in exclusive access option
change_bit implementation for XCHAL_HAVE_EXCLUSIVE case changes all bits
except the one required due to copy-paste error from clear_bit.
Cc: stable@vger.kernel.org # v5.2+
Fixes: f7c34874f0
("xtensa: add exclusive atomics support")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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@ -148,7 +148,7 @@ static inline void change_bit(unsigned int bit, volatile unsigned long *p)
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" getex %0\n"
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" beqz %0, 1b\n"
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: "=&a" (tmp)
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: "a" (~mask), "a" (p)
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: "a" (mask), "a" (p)
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: "memory");
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}
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