[PATCH v2 2/3] powerpc64/modules: correctly iterate over stubs in setup_ftrace_ool_stubs

[Joe Lawrence]

CONFIG_PPC_FTRACE_OUT_OF_LINE introduced setup_ftrace_ool_stubs() to
extend the ppc64le module .stubs section with an array of
ftrace_ool_stub structures for each patchable function.

Fix its ppc64_stub_entry stub reservation loop to properly write across
all of the num_stubs used and not just the first entry.

Fixes: eec37961a56a ("powerpc64/ftrace: Move ftrace sequence out of line")
Signed-off-by: Joe Lawrence <joe.lawrence at redhat.com>
---
 arch/powerpc/kernel/module_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index 126bf3b06ab7..0e45cac4de76 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -1139,7 +1139,7 @@ static int setup_ftrace_ool_stubs(const Elf64_Shdr *sechdrs, unsigned long addr,
 
 	/* reserve stubs */
 	for (i = 0; i < num_stubs; i++)
-		if (patch_u32((void *)&stub->funcdata, PPC_RAW_NOP()))
+		if (patch_u32((void *)&stub[i].funcdata, PPC_RAW_NOP()))
 			return -1;
 #endif
 
-- 
2.51.0