Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH v1 06/11] powerpc/code-patching: Fix patch_branch() return on out-of-range failure | Date | Thu, 2 Dec 2021 13:00:22 +0100 |
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Do not silentely ignore a failure of create_branch() in patch_branch(). Return -ERANGE.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/powerpc/lib/code-patching.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index a43ca22313ee..e7a2a41ae8eb 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -191,7 +191,9 @@ int patch_branch(u32 *addr, unsigned long target, int flags) { ppc_inst_t instr; - create_branch(&instr, addr, target, flags); + if (create_branch(&instr, addr, target, flags)) + return -ERANGE; + return patch_instruction(addr, instr); } -- 2.33.1
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