aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
Diffstat (limited to 'fs')
-rw-r--r--fs/binfmt_misc.c2
-rw-r--r--fs/binfmt_script.c3
-rw-r--r--fs/exec.c21
3 files changed, 14 insertions, 12 deletions
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 9e60fd20171..a7528b91393 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -108,7 +108,7 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs)
Node *fmt;
struct file * interp_file = NULL;
char iname[BINPRM_BUF_SIZE];
- char *iname_addr = iname;
+ const char *iname_addr = iname;
int retval;
int fd_binary = -1;
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
index aca9d55afb2..396a9884591 100644
--- a/fs/binfmt_script.c
+++ b/fs/binfmt_script.c
@@ -16,7 +16,8 @@
static int load_script(struct linux_binprm *bprm,struct pt_regs *regs)
{
- char *cp, *i_name, *i_arg;
+ const char *i_arg, *i_name;
+ char *cp;
struct file *file;
char interp[BINPRM_BUF_SIZE];
int retval;
diff --git a/fs/exec.c b/fs/exec.c
index 7761837e450..05c7d6b84df 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -361,13 +361,13 @@ err:
/*
* count() counts the number of strings in array ARGV.
*/
-static int count(char __user * __user * argv, int max)
+static int count(const char __user * const __user * argv, int max)
{
int i = 0;
if (argv != NULL) {
for (;;) {
- char __user * p;
+ const char __user * p;
if (get_user(p, argv))
return -EFAULT;
@@ -387,7 +387,7 @@ static int count(char __user * __user * argv, int max)
* processes's memory to the new process's stack. The call to get_user_pages()
* ensures the destination page is created and not swapped out.
*/
-static int copy_strings(int argc, char __user * __user * argv,
+static int copy_strings(int argc, const char __user *const __user *argv,
struct linux_binprm *bprm)
{
struct page *kmapped_page = NULL;
@@ -396,7 +396,7 @@ static int copy_strings(int argc, char __user * __user * argv,
int ret;
while (argc-- > 0) {
- char __user *str;
+ const char __user *str;
int len;
unsigned long pos;
@@ -470,12 +470,13 @@ out:
/*
* Like copy_strings, but get argv and its values from kernel memory.
*/
-int copy_strings_kernel(int argc,char ** argv, struct linux_binprm *bprm)
+int copy_strings_kernel(int argc, const char *const *argv,
+ struct linux_binprm *bprm)
{
int r;
mm_segment_t oldfs = get_fs();
set_fs(KERNEL_DS);
- r = copy_strings(argc, (char __user * __user *)argv, bprm);
+ r = copy_strings(argc, (const char __user *const __user *)argv, bprm);
set_fs(oldfs);
return r;
}
@@ -997,7 +998,7 @@ EXPORT_SYMBOL(flush_old_exec);
void setup_new_exec(struct linux_binprm * bprm)
{
int i, ch;
- char * name;
+ const char *name;
char tcomm[sizeof(current->comm)];
arch_pick_mmap_layout(current->mm);
@@ -1316,9 +1317,9 @@ EXPORT_SYMBOL(search_binary_handler);
/*
* sys_execve() executes a new program.
*/
-int do_execve(char * filename,
- char __user *__user *argv,
- char __user *__user *envp,
+int do_execve(const char * filename,
+ const char __user *const __user *argv,
+ const char __user *const __user *envp,
struct pt_regs * regs)
{
struct linux_binprm *bprm;