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authorAndreas Schwab <schwab@suse.de>2018-06-12 19:26:36 +0200
committerPalmer Dabbelt <palmer@sifive.com>2018-07-04 14:12:34 -0700
commit781c8fe2da3d2c7c95cd7ffddbab63b80a79da4d (patch)
tree5efc5593da2d146efd839604a54bf000e56f8536 /arch
parent021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff)
downloadlinux-781c8fe2da3d2c7c95cd7ffddbab63b80a79da4d.tar.bz2
RISC-V: fix R_RISCV_ADD32/R_RISCV_SUB32 relocations
The R_RISCV_ADD32/R_RISCV_SUB32 relocations should add/subtract the address of the symbol (without overflow check), not its contents. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/kernel/module.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c
index 1d5e9b934b8c..6bb48315c973 100644
--- a/arch/riscv/kernel/module.c
+++ b/arch/riscv/kernel/module.c
@@ -263,14 +263,14 @@ static int apply_r_riscv_align_rela(struct module *me, u32 *location,
static int apply_r_riscv_add32_rela(struct module *me, u32 *location,
Elf_Addr v)
{
- *(u32 *)location += (*(u32 *)v);
+ *(u32 *)location += (u32)v;
return 0;
}
static int apply_r_riscv_sub32_rela(struct module *me, u32 *location,
Elf_Addr v)
{
- *(u32 *)location -= (*(u32 *)v);
+ *(u32 *)location -= (u32)v;
return 0;
}