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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2022-11-03 18:10:53 +0300 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2022-11-11 17:46:03 +0300 |
| commit | 64ac0befe75bdfaffc396c2b4a0ed5ae6920eeee (patch) | |
| tree | c1d0305020a86a7e9f2244c0c7ec26c5cce4cc1d /arch | |
| parent | 2a296157859287c3b639f7228354c13f7182ed71 (diff) | |
| download | linux-64ac0befe75bdfaffc396c2b4a0ed5ae6920eeee.tar.xz | |
MIPS: jump_label: Fix compat branch range check
Cast upper bound of branch range to long to do signed compare,
avoid negative offset trigger this warning.
Fixes: 9b6584e35f40 ("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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/kernel/jump_label.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/kernel/jump_label.c b/arch/mips/kernel/jump_label.c index 71a882c8c6eb..f7978d50a2ba 100644 --- a/arch/mips/kernel/jump_label.c +++ b/arch/mips/kernel/jump_label.c @@ -56,7 +56,7 @@ void arch_jump_label_transform(struct jump_entry *e, * The branch offset must fit in the instruction's 26 * bit field. */ - WARN_ON((offset >= BIT(25)) || + WARN_ON((offset >= (long)BIT(25)) || (offset < -(long)BIT(25))); insn.j_format.opcode = bc6_op; |