aboutsummaryrefslogtreecommitdiffstats
path: root/arch/loongarch/kernel/module-sections.c
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2025-06-12 10:08:24 -0700
committerJakub Kicinski <kuba@kernel.org>2025-08-21 11:33:15 -0700
commita9af709fda7edafa17e072bffe610d9e7ed7a5df (patch)
tree11857f0522f37343677b6430ee8f9a4b1a9e420a /arch/loongarch/kernel/module-sections.c
parentselftests: net: fix memory leak in tls.c (diff)
parentMerge tag 'net-6.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff)
downloadlinux-a9af709fda7edafa17e072bffe610d9e7ed7a5df.tar.gz
linux-a9af709fda7edafa17e072bffe610d9e7ed7a5df.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc3). No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/loongarch/kernel/module-sections.c')
-rw-r--r--arch/loongarch/kernel/module-sections.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/arch/loongarch/kernel/module-sections.c b/arch/loongarch/kernel/module-sections.c
index e2f30ff9afde..a43ba7f9f987 100644
--- a/arch/loongarch/kernel/module-sections.c
+++ b/arch/loongarch/kernel/module-sections.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <linux/moduleloader.h>
#include <linux/ftrace.h>
+#include <linux/sort.h>
Elf_Addr module_emit_got_entry(struct module *mod, Elf_Shdr *sechdrs, Elf_Addr val)
{
@@ -61,39 +62,38 @@ Elf_Addr module_emit_plt_entry(struct module *mod, Elf_Shdr *sechdrs, Elf_Addr v
return (Elf_Addr)&plt[nr];
}
-static int is_rela_equal(const Elf_Rela *x, const Elf_Rela *y)
-{
- return x->r_info == y->r_info && x->r_addend == y->r_addend;
-}
+#define cmp_3way(a, b) ((a) < (b) ? -1 : (a) > (b))
-static bool duplicate_rela(const Elf_Rela *rela, int idx)
+static int compare_rela(const void *x, const void *y)
{
- int i;
+ int ret;
+ const Elf_Rela *rela_x = x, *rela_y = y;
- for (i = 0; i < idx; i++) {
- if (is_rela_equal(&rela[i], &rela[idx]))
- return true;
- }
+ ret = cmp_3way(rela_x->r_info, rela_y->r_info);
+ if (ret == 0)
+ ret = cmp_3way(rela_x->r_addend, rela_y->r_addend);
- return false;
+ return ret;
}
static void count_max_entries(Elf_Rela *relas, int num,
unsigned int *plts, unsigned int *gots)
{
- unsigned int i, type;
+ unsigned int i;
+
+ sort(relas, num, sizeof(Elf_Rela), compare_rela, NULL);
for (i = 0; i < num; i++) {
- type = ELF_R_TYPE(relas[i].r_info);
- switch (type) {
+ if (i && !compare_rela(&relas[i-1], &relas[i]))
+ continue;
+
+ switch (ELF_R_TYPE(relas[i].r_info)) {
case R_LARCH_SOP_PUSH_PLT_PCREL:
case R_LARCH_B26:
- if (!duplicate_rela(relas, i))
- (*plts)++;
+ (*plts)++;
break;
case R_LARCH_GOT_PC_HI20:
- if (!duplicate_rela(relas, i))
- (*gots)++;
+ (*gots)++;
break;
default:
break; /* Do nothing. */