[PATCH v1 06/11] powerpc/code-patching: Fix patch_branch() return on out-of-range failure

[Christophe Leroy]

Do not silentely ignore a failure of create_branch() in
patch_branch(). Return -ERANGE.

Signed-off-by: Christophe Leroy <christophe.le...@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