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Commit 88e9d34c authored by James Morris's avatar James Morris Committed by Linus Torvalds
Browse files

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: default avatarJames Morris <jmorris@namei.org>
Acked-by: default avatarSerge Hallyn <serue@us.ibm.com>
Acked-by: default avatarCasey Schaufler <casey@schaufler-ca.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b7ed698c

arch/mn10300/kernel/setup.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

arch/powerpc/kernel/setup-common.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

arch/powerpc/platforms/pseries/hvCall_inst.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

drivers/block/cciss.c

+1 −1
Original line number Diff line number Diff line
@@ -363,7 +363,7 @@ static void cciss_seq_stop(struct seq_file *seq, void *v) 
	h->busy_configuring = 0;

}



static struct seq_operations cciss_seq_ops = {

static const struct seq_operations cciss_seq_ops = {

	.start = cciss_seq_start,

	.show  = cciss_seq_show,

	.next  = cciss_seq_next,

drivers/char/misc.c

+1 −1
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ static int misc_seq_show(struct seq_file *seq, void *v) 
}





static struct seq_operations misc_seq_ops = {

static const struct seq_operations misc_seq_ops = {

	.start = misc_seq_start,

	.next  = misc_seq_next,

	.stop  = misc_seq_stop,