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MIPS: jump_label: Fix compat branch range check
commit64ac0befe7
upstream. Cast upper bound of branch range to long to do signed compare, avoid negative offset trigger this warning. Fixes:9b6584e35f
("MIPS: jump_label: Use compact branches for >= r6") Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: stable@vger.kernel.org Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -56,7 +56,7 @@ void arch_jump_label_transform(struct jump_entry *e,
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* The branch offset must fit in the instruction's 26
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* bit field.
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*/
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WARN_ON((offset >= BIT(25)) ||
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WARN_ON((offset >= (long)BIT(25)) ||
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(offset < -(long)BIT(25)));
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insn.j_format.opcode = bc6_op;
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