linux-kernel - [PATCH 2/2] Correct type casting in module loading

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Date:   Fri, 17 Nov 2023 11:56:12 -0800
From:   Charlie Jenkins <charlie@...osinc.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Randy Dunlap <rdunlap@...radead.org>
Cc:     Palmer Dabbelt <palmer@...osinc.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH 2/2] Correct type casting in module loading

Make static variables static and use __le16.

Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations")
Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
 arch/riscv/kernel/module.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c
index 56a8c78e9e21..9f2dc2c0e436 100644
--- a/arch/riscv/kernel/module.c
+++ b/arch/riscv/kernel/module.c
@@ -45,9 +45,9 @@ void process_accumulated_relocations(struct module *me);
 int add_relocation_to_accumulate(struct module *me, int type, void *location,
 				 unsigned int hashtable_bits, Elf_Addr v);
 
-struct hlist_head *relocation_hashtable;
+static struct hlist_head *relocation_hashtable;
 
-struct list_head used_buckets_list;
+static struct list_head used_buckets_list;
 
 /*
  * The auipc+jalr instruction pair can reach any PC-relative offset
@@ -64,7 +64,7 @@ static bool riscv_insn_valid_32bit_offset(ptrdiff_t val)
 
 static int riscv_insn_rmw(void *location, u32 keep, u32 set)
 {
-	u16 *parcel = location;
+	__le16 *parcel = location;
 	u32 insn = (u32)le16_to_cpu(parcel[0]) | (u32)le16_to_cpu(parcel[1]) << 16;
 
 	insn &= keep;
@@ -77,7 +77,7 @@ static int riscv_insn_rmw(void *location, u32 keep, u32 set)
 
 static int riscv_insn_rvc_rmw(void *location, u16 keep, u16 set)
 {
-	u16 *parcel = location;
+	__le16 *parcel = location;
 	u16 insn = le16_to_cpu(*parcel);
 
 	insn &= keep;

-- 
2.34.1