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module: make perm const

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Change the struct kernel_param.perm field to a const, as it should never
be changed.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (cut from larger patch)
This commit is contained in:
Dan Streetman 2015-06-17 06:17:52 +09:30 committed by Rusty Russell
parent 74c3dea355
commit 5104b7d767
2 changed files with 4 additions and 6 deletions
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2
include/linux/moduleparam.h
View File

@ -68,7 +68,7 @@ enum {
struct kernel_param {
const char *name;
const struct kernel_param_ops *ops;
u16 perm;
const u16 perm;
s8 level;
u8 flags;
union {

8
kernel/params.c
View File

@ -395,12 +395,11 @@ EXPORT_SYMBOL(param_ops_invbool);
int param_set_bint(const char *val, const struct kernel_param *kp)
{
struct kernel_param boolkp;
/* Match bool exactly, by re-using it. */
struct kernel_param boolkp = *kp;
bool v;
int ret;
/* Match bool exactly, by re-using it. */
boolkp = *kp;
boolkp.arg = &v;
ret = param_set_bool(val, &boolkp);
@ -480,9 +479,8 @@ static int param_array_get(char *buffer, const struct kernel_param *kp)
{
int i, off, ret;
const struct kparam_array *arr = kp->arr;
struct kernel_param p;
struct kernel_param p = *kp;
p = *kp;
for (i = off = 0; i < (arr->num ? *arr->num : arr->max); i++) {
if (i)
buffer[off++] = ',';