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| author | Mark Brown <broonie@kernel.org> | 2021-10-18 13:51:43 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-18 13:51:43 +0100 |
| commit | ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480 (patch) | |
| tree | 15fe5f3dc395c3b1e713ad52bcd529b1a343cfe2 /arch/powerpc/lib/code-patching.c | |
| parent | 72bf80cf09c4693780ad93a31b48fa5a4e17a946 (diff) | |
| parent | 519d81956ee277b4419c723adfb154603c2565ba (diff) | |
| download | linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.tar.gz linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.tar.bz2 linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.zip | |
Merge tag 'v5.15-rc6' into regulator-5.16
Linux 5.15-rc6
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. */ |