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authorDavid S. Miller <davem@davemloft.net>2016-04-09 23:41:41 +0200
committerDavid S. Miller <davem@davemloft.net>2016-04-09 23:41:41 +0200
commitae95d7126104591348d37aaf78c8325967e02386 (patch)
tree3270712f030549d77d4c55246d056e02b9def29d /arch/mips/kernel/module-rela.c
parentipv6: fix inet6_lookup_listener() (diff)
parentMerge tag 'tty-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/greg... (diff)
downloadlinux-ae95d7126104591348d37aaf78c8325967e02386.tar.xz
linux-ae95d7126104591348d37aaf78c8325967e02386.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/mips/kernel/module-rela.c')
-rw-r--r--arch/mips/kernel/module-rela.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/mips/kernel/module-rela.c b/arch/mips/kernel/module-rela.c
index 2b70723071c3..9083d63b765c 100644
--- a/arch/mips/kernel/module-rela.c
+++ b/arch/mips/kernel/module-rela.c
@@ -109,9 +109,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
struct module *me)
{
Elf_Mips_Rela *rel = (void *) sechdrs[relsec].sh_addr;
+ int (*handler)(struct module *me, u32 *location, Elf_Addr v);
Elf_Sym *sym;
u32 *location;
- unsigned int i;
+ unsigned int i, type;
Elf_Addr v;
int res;
@@ -134,9 +135,21 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
return -ENOENT;
}
- v = sym->st_value + rel[i].r_addend;
+ type = ELF_MIPS_R_TYPE(rel[i]);
+
+ if (type < ARRAY_SIZE(reloc_handlers_rela))
+ handler = reloc_handlers_rela[type];
+ else
+ handler = NULL;
- res = reloc_handlers_rela[ELF_MIPS_R_TYPE(rel[i])](me, location, v);
+ if (!handler) {
+ pr_err("%s: Unknown relocation type %u\n",
+ me->name, type);
+ return -EINVAL;
+ }
+
+ v = sym->st_value + rel[i].r_addend;
+ res = handler(me, location, v);
if (res)
return res;
}