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seq_file: constify seq_operations

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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>
This commit is contained in:
James Morris 2009-09-22 16:43:43 -07:00 committed by Linus Torvalds
parent b7ed698cc9
commit 88e9d34c72
26 changed files with 49 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mn10300/kernel/setup.c
View File

@ -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,

2
arch/powerpc/kernel/setup-common.c
View File

@ -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,

2
arch/powerpc/platforms/pseries/hvCall_inst.c
View File

@ -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,

2
drivers/block/cciss.c
View File

@ -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,

2
drivers/char/misc.c
View File

@ -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,

4
drivers/char/tpm/tpm_bios.c
View File

@ -343,14 +343,14 @@ static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations tpm_ascii_b_measurments_seqops = {
static const struct seq_operations tpm_ascii_b_measurments_seqops = {
.start = tpm_bios_measurements_start,
.next = tpm_bios_measurements_next,
.stop = tpm_bios_measurements_stop,
.show = tpm_ascii_bios_measurements_show,
};
static struct seq_operations tpm_binary_b_measurments_seqops = {
static const struct seq_operations tpm_binary_b_measurments_seqops = {
.start = tpm_bios_measurements_start,
.next = tpm_bios_measurements_next,
.stop = tpm_bios_measurements_stop,

10
drivers/isdn/capi/kcapi_proc.c
View File

@ -89,14 +89,14 @@ static int contrstats_show(struct seq_file *seq, void *v)
return 0;
}
static struct seq_operations seq_controller_ops = {
static const struct seq_operations seq_controller_ops = {
.start = controller_start,
.next = controller_next,
.stop = controller_stop,
.show = controller_show,
};
static struct seq_operations seq_contrstats_ops = {
static const struct seq_operations seq_contrstats_ops = {
.start = controller_start,
.next = controller_next,
.stop = controller_stop,
@ -194,14 +194,14 @@ applstats_show(struct seq_file *seq, void *v)
return 0;
}
static struct seq_operations seq_applications_ops = {
static const struct seq_operations seq_applications_ops = {
.start = applications_start,
.next = applications_next,
.stop = applications_stop,
.show = applications_show,
};
static struct seq_operations seq_applstats_ops = {
static const struct seq_operations seq_applstats_ops = {
.start = applications_start,
.next = applications_next,
.stop = applications_stop,
@ -264,7 +264,7 @@ static int capi_driver_show(struct seq_file *seq, void *v)
return 0;
}
static struct seq_operations seq_capi_driver_ops = {
static const struct seq_operations seq_capi_driver_ops = {
.start = capi_driver_start,
.next = capi_driver_next,
.stop = capi_driver_stop,

6
drivers/scsi/sg.c
View File

@ -2233,7 +2233,7 @@ static struct file_operations dev_fops = {
.open = sg_proc_open_dev,
.release = seq_release,
};
static struct seq_operations dev_seq_ops = {
static const struct seq_operations dev_seq_ops = {
.start = dev_seq_start,
.next = dev_seq_next,
.stop = dev_seq_stop,
@ -2246,7 +2246,7 @@ static struct file_operations devstrs_fops = {
.open = sg_proc_open_devstrs,
.release = seq_release,
};
static struct seq_operations devstrs_seq_ops = {
static const struct seq_operations devstrs_seq_ops = {
.start = dev_seq_start,
.next = dev_seq_next,
.stop = dev_seq_stop,
@ -2259,7 +2259,7 @@ static struct file_operations debug_fops = {
.open = sg_proc_open_debug,
.release = seq_release,
};
static struct seq_operations debug_seq_ops = {
static const struct seq_operations debug_seq_ops = {
.start = dev_seq_start,
.next = dev_seq_next,
.stop = dev_seq_stop,

8
fs/afs/proc.c
View File

@ -28,7 +28,7 @@ static int afs_proc_cells_show(struct seq_file *m, void *v);
static ssize_t afs_proc_cells_write(struct file *file, const char __user *buf,
size_t size, loff_t *_pos);
static struct seq_operations afs_proc_cells_ops = {
static const struct seq_operations afs_proc_cells_ops = {
.start = afs_proc_cells_start,
.next = afs_proc_cells_next,
.stop = afs_proc_cells_stop,
@ -70,7 +70,7 @@ static void *afs_proc_cell_volumes_next(struct seq_file *p, void *v,
static void afs_proc_cell_volumes_stop(struct seq_file *p, void *v);
static int afs_proc_cell_volumes_show(struct seq_file *m, void *v);
static struct seq_operations afs_proc_cell_volumes_ops = {
static const struct seq_operations afs_proc_cell_volumes_ops = {
.start = afs_proc_cell_volumes_start,
.next = afs_proc_cell_volumes_next,
.stop = afs_proc_cell_volumes_stop,
@ -95,7 +95,7 @@ static void *afs_proc_cell_vlservers_next(struct seq_file *p, void *v,
static void afs_proc_cell_vlservers_stop(struct seq_file *p, void *v);
static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v);
static struct seq_operations afs_proc_cell_vlservers_ops = {
static const struct seq_operations afs_proc_cell_vlservers_ops = {
.start = afs_proc_cell_vlservers_start,
.next = afs_proc_cell_vlservers_next,
.stop = afs_proc_cell_vlservers_stop,
@ -119,7 +119,7 @@ static void *afs_proc_cell_servers_next(struct seq_file *p, void *v,
static void afs_proc_cell_servers_stop(struct seq_file *p, void *v);
static int afs_proc_cell_servers_show(struct seq_file *m, void *v);
static struct seq_operations afs_proc_cell_servers_ops = {
static const struct seq_operations afs_proc_cell_servers_ops = {
.start = afs_proc_cell_servers_start,
.next = afs_proc_cell_servers_next,
.stop = afs_proc_cell_servers_stop,

12
fs/dlm/debug_fs.c
View File

@ -386,9 +386,9 @@ static int table_seq_show(struct seq_file *seq, void *iter_ptr)
return rv;
}
static struct seq_operations format1_seq_ops;
static struct seq_operations format2_seq_ops;
static struct seq_operations format3_seq_ops;
static const struct seq_operations format1_seq_ops;
static const struct seq_operations format2_seq_ops;
static const struct seq_operations format3_seq_ops;
static void *table_seq_start(struct seq_file *seq, loff_t *pos)
{
@ -534,21 +534,21 @@ static void table_seq_stop(struct seq_file *seq, void *iter_ptr)
}
}
static struct seq_operations format1_seq_ops = {
static const struct seq_operations format1_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,
.show = table_seq_show,
};
static struct seq_operations format2_seq_ops = {
static const struct seq_operations format2_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,
.show = table_seq_show,
};
static struct seq_operations format3_seq_ops = {
static const struct seq_operations format3_seq_ops = {
.start = table_seq_start,
.next = table_seq_next,
.stop = table_seq_stop,

4
fs/jbd2/journal.c
View File

@ -768,7 +768,7 @@ static void jbd2_seq_history_stop(struct seq_file *seq, void *v)
{
}
static struct seq_operations jbd2_seq_history_ops = {
static const struct seq_operations jbd2_seq_history_ops = {
.start = jbd2_seq_history_start,
.next = jbd2_seq_history_next,
.stop = jbd2_seq_history_stop,
@ -872,7 +872,7 @@ static void jbd2_seq_info_stop(struct seq_file *seq, void *v)
{
}
static struct seq_operations jbd2_seq_info_ops = {
static const struct seq_operations jbd2_seq_info_ops = {
.start = jbd2_seq_info_start,
.next = jbd2_seq_info_next,
.stop = jbd2_seq_info_stop,

4
fs/nfs/client.c
View File

@ -1531,7 +1531,7 @@ static void *nfs_server_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_server_list_stop(struct seq_file *p, void *v);
static int nfs_server_list_show(struct seq_file *m, void *v);
static struct seq_operations nfs_server_list_ops = {
static const struct seq_operations nfs_server_list_ops = {
.start = nfs_server_list_start,
.next = nfs_server_list_next,
.stop = nfs_server_list_stop,
@ -1552,7 +1552,7 @@ static void *nfs_volume_list_next(struct seq_file *p, void *v, loff_t *pos);
static void nfs_volume_list_stop(struct seq_file *p, void *v);
static int nfs_volume_list_show(struct seq_file *m, void *v);
static struct seq_operations nfs_volume_list_ops = {
static const struct seq_operations nfs_volume_list_ops = {
.start = nfs_volume_list_start,
.next = nfs_volume_list_next,
.stop = nfs_volume_list_stop,

2
fs/nfsd/export.c
View File

@ -1517,7 +1517,7 @@ static int e_show(struct seq_file *m, void *p)
return svc_export_show(m, &svc_export_cache, cp);
}
struct seq_operations nfs_exports_op = {
const struct seq_operations nfs_exports_op = {
.start = e_start,
.next = e_next,
.stop = e_stop,

4
fs/ocfs2/cluster/netdebug.c
View File

@ -163,7 +163,7 @@ static void nst_seq_stop(struct seq_file *seq, void *v)
{
}
static struct seq_operations nst_seq_ops = {
static const struct seq_operations nst_seq_ops = {
.start = nst_seq_start,
.next = nst_seq_next,
.stop = nst_seq_stop,
@ -344,7 +344,7 @@ static void sc_seq_stop(struct seq_file *seq, void *v)
{
}
static struct seq_operations sc_seq_ops = {
static const struct seq_operations sc_seq_ops = {
.start = sc_seq_start,
.next = sc_seq_next,
.stop = sc_seq_stop,

2
fs/ocfs2/dlm/dlmdebug.c
View File

@ -683,7 +683,7 @@ static int lockres_seq_show(struct seq_file *s, void *v)
return 0;
}
static struct seq_operations debug_lockres_ops = {
static const struct seq_operations debug_lockres_ops = {
.start = lockres_seq_start,
.stop = lockres_seq_stop,
.next = lockres_seq_next,

2
fs/proc/nommu.c
View File

@ -109,7 +109,7 @@ static void *nommu_region_list_next(struct seq_file *m, void *v, loff_t *pos)
return rb_next((struct rb_node *) v);
}
static struct seq_operations proc_nommu_region_list_seqop = {
static const struct seq_operations proc_nommu_region_list_seqop = {
.start = nommu_region_list_start,
.next = nommu_region_list_next,
.stop = nommu_region_list_stop,

2
include/linux/nfsd/nfsd.h
View File

@ -60,7 +60,7 @@ extern spinlock_t nfsd_drc_lock;
extern unsigned int nfsd_drc_max_mem;
extern unsigned int nfsd_drc_mem_used;
extern struct seq_operations nfs_exports_op;
extern const struct seq_operations nfs_exports_op;
/*
* Function prototypes.

2
ipc/util.c
View File

@ -942,7 +942,7 @@ static int sysvipc_proc_show(struct seq_file *s, void *it)
return iface->show(s, it);
}
static struct seq_operations sysvipc_proc_seqops = {
static const struct seq_operations sysvipc_proc_seqops = {
.start = sysvipc_proc_start,
.stop = sysvipc_proc_stop,
.next = sysvipc_proc_next,

2
kernel/cgroup.c
View File

@ -2314,7 +2314,7 @@ static int cgroup_tasks_show(struct seq_file *s, void *v)
return seq_printf(s, "%d\n", *(int *)v);
}
static struct seq_operations cgroup_tasks_seq_operations = {
static const struct seq_operations cgroup_tasks_seq_operations = {
.start = cgroup_tasks_start,
.stop = cgroup_tasks_stop,
.next = cgroup_tasks_next,

2
kernel/kprobes.c
View File

@ -1321,7 +1321,7 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
return 0;
}
static struct seq_operations kprobes_seq_ops = {
static const struct seq_operations kprobes_seq_ops = {
.start = kprobe_seq_start,
.next = kprobe_seq_next,
.stop = kprobe_seq_stop,

2
kernel/lockdep_proc.c
View File

@ -594,7 +594,7 @@ static int ls_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations lockstat_ops = {
static const struct seq_operations lockstat_ops = {
.start = ls_start,
.next = ls_next,
.stop = ls_stop,

4
kernel/trace/ftrace.c
View File

@ -1520,7 +1520,7 @@ static int t_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations show_ftrace_seq_ops = {
static const struct seq_operations show_ftrace_seq_ops = {
.start = t_start,
.next = t_next,
.stop = t_stop,
@ -2459,7 +2459,7 @@ static int g_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations ftrace_graph_seq_ops = {
static const struct seq_operations ftrace_graph_seq_ops = {
.start = g_start,
.next = g_next,
.stop = g_stop,

4
kernel/trace/trace.c
View File

@ -1949,7 +1949,7 @@ static int s_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations tracer_seq_ops = {
static const struct seq_operations tracer_seq_ops = {
.start = s_start,
.next = s_next,
.stop = s_stop,
@ -2163,7 +2163,7 @@ static int t_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations show_traces_seq_ops = {
static const struct seq_operations show_traces_seq_ops = {
.start = t_start,
.next = t_next,
.stop = t_stop,

2
net/ipv6/ip6mr.c
View File

@ -324,7 +324,7 @@ static int ipmr_mfc_seq_show(struct seq_file *seq, void *v)
return 0;
}
static struct seq_operations ipmr_mfc_seq_ops = {
static const struct seq_operations ipmr_mfc_seq_ops = {
.start = ipmr_mfc_seq_start,
.next = ipmr_mfc_seq_next,
.stop = ipmr_mfc_seq_stop,

4
security/integrity/ima/ima_fs.c
View File

@ -146,7 +146,7 @@ static int ima_measurements_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations ima_measurments_seqops = {
static const struct seq_operations ima_measurments_seqops = {
.start = ima_measurements_start,
.next = ima_measurements_next,
.stop = ima_measurements_stop,
@ -221,7 +221,7 @@ static int ima_ascii_measurements_show(struct seq_file *m, void *v)
return 0;
}
static struct seq_operations ima_ascii_measurements_seqops = {
static const struct seq_operations ima_ascii_measurements_seqops = {
.start = ima_measurements_start,
.next = ima_measurements_next,
.stop = ima_measurements_stop,

6
security/smack/smackfs.c
View File

@ -187,7 +187,7 @@ static void load_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations load_seq_ops = {
static const struct seq_operations load_seq_ops = {
.start = load_seq_start,
.next = load_seq_next,
.show = load_seq_show,
@ -503,7 +503,7 @@ static void cipso_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations cipso_seq_ops = {
static const struct seq_operations cipso_seq_ops = {
.start = cipso_seq_start,
.stop = cipso_seq_stop,
.next = cipso_seq_next,
@ -697,7 +697,7 @@ static void netlbladdr_seq_stop(struct seq_file *s, void *v)
/* No-op */
}
static struct seq_operations netlbladdr_seq_ops = {
static const struct seq_operations netlbladdr_seq_ops = {
.start = netlbladdr_seq_start,
.stop = netlbladdr_seq_stop,
.next = netlbladdr_seq_next,