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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:43:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:43:37 +0200 |
| commit | b5bc8ac25aa1477fee3853718f2673a594efdc4b (patch) | |
| tree | dcee1a7ae080d573c12a4a0411b9417746ffd343 /arch/powerpc/lib/code-patching.c | |
| parent | 1f8818e352f721c49ebea39025f6c98f25756eff (diff) | |
| parent | 519d81956ee277b4419c723adfb154603c2565ba (diff) | |
Merge 5.15-rc6 into driver-core-next
We need the driver-core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/lib/code-patching.c')
| -rw-r--r-- | arch/powerpc/lib/code-patching.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index f9a3019e37b4..c5ed98823835 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -228,6 +228,11 @@ bool is_offset_in_branch_range(long offset) return (offset >= -0x2000000 && offset <= 0x1fffffc && !(offset & 0x3)); } +bool is_offset_in_cond_branch_range(long offset) +{ + return offset >= -0x8000 && offset <= 0x7fff && !(offset & 0x3); +} + /* * Helper to check if a given instruction is a conditional branch * Derived from the conditional checks in analyse_instr() @@ -280,7 +285,7 @@ int create_cond_branch(struct ppc_inst *instr, const u32 *addr, offset = offset - (unsigned long)addr; /* Check we can represent the target in the instruction format */ - if (offset < -0x8000 || offset > 0x7FFF || offset & 0x3) + if (!is_offset_in_cond_branch_range(offset)) return 1; /* Mask out the flags and target, so they don't step on each other. */ |