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compat: Cleanup in_compat_syscall() callers

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Now that in_compat_syscall() is consistent on all architectures and does
not longer report true on native i686, the workarounds (ifdeffery and
helpers) can be removed.

Signed-off-by: Dmitry Safonov <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Dmitry Safonov <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Andy Lutomirsky <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: John Stultz <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Steffen Klassert <[email protected]>
Cc: Stephen Boyd <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
This commit is contained in:
Dmitry Safonov 2018-10-12 14:42:53 +01:00 • committed by Thomas Gleixner
commit 98f76206b3
4 changed files with 5 additions and 17 deletions
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16
drivers/firmware/efi/efivars.c
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@ -229,14 +229,6 @@ sanity_check(struct efi_variable *var, efi_char16_t *name, efi_guid_t vendor,
return 0;
}
static inline bool is_compat(void)
{
if (IS_ENABLED(CONFIG_COMPAT) && in_compat_syscall())
return true;
return false;
}
static void
copy_out_compat(struct efi_variable *dst, struct compat_efi_variable *src)
{
@ -263,7 +255,7 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)
u8 *data;
int err;
if (is_compat()) {
if (in_compat_syscall()) {
struct compat_efi_variable *compat;
if (count != sizeof(*compat))
@ -324,7 +316,7 @@ efivar_show_raw(struct efivar_entry *entry, char *buf)
&entry->var.DataSize, entry->var.Data))
return -EIO;
if (is_compat()) {
if (in_compat_syscall()) {
compat = (struct compat_efi_variable *)buf;
size = sizeof(*compat);
@ -418,7 +410,7 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
struct compat_efi_variable *compat = (struct compat_efi_variable *)buf;
struct efi_variable *new_var = (struct efi_variable *)buf;
struct efivar_entry *new_entry;
bool need_compat = is_compat();
bool need_compat = in_compat_syscall();
efi_char16_t *name;
unsigned long size;
u32 attributes;
@ -495,7 +487,7 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj,
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (is_compat()) {
if (in_compat_syscall()) {
if (count != sizeof(*compat))
return -EINVAL;