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authorJames Morris <jmorris@namei.org>2009-09-22 16:43:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 07:39:29 -0700
commit88e9d34c727883d7d6f02cf1475b3ec98b8480c7 (patch)
tree475f544536d52739e0929e7727cab5124e855a06 /arch
parentb7ed698cc9d556306a4088c238e2ea9311ea2cb3 (diff)
downloadop-kernel-dev-88e9d34c727883d7d6f02cf1475b3ec98b8480c7.zip
op-kernel-dev-88e9d34c727883d7d6f02cf1475b3ec98b8480c7.tar.gz
seq_file: constify seq_operations
Make all seq_operations structs const, to help mitigate against revectoring user-triggerable function pointers. This is derived from the grsecurity patch, although generated from scratch because it's simpler than extracting the changes from there. Signed-off-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mn10300/kernel/setup.c2
-rw-r--r--arch/powerpc/kernel/setup-common.c2
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/mn10300/kernel/setup.c b/arch/mn10300/kernel/setup.c
index 79890ed..3f24c29 100644
--- a/arch/mn10300/kernel/setup.c
+++ b/arch/mn10300/kernel/setup.c
@@ -285,7 +285,7 @@ static void c_stop(struct seq_file *m, void *v)
{
}
-struct seq_operations cpuinfo_op = {
+const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 02fed27..1d5570a 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -328,7 +328,7 @@ static void c_stop(struct seq_file *m, void *v)
{
}
-struct seq_operations cpuinfo_op = {
+const struct seq_operations cpuinfo_op = {
.start =c_start,
.next = c_next,
.stop = c_stop,
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index eae51ef..3631a4f 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -71,7 +71,7 @@ static int hc_show(struct seq_file *m, void *p)
return 0;
}
-static struct seq_operations hcall_inst_seq_ops = {
+static const struct seq_operations hcall_inst_seq_ops = {
.start = hc_start,
.next = hc_next,
.stop = hc_stop,
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