diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-06-03 08:41:48 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-17 00:09:09 +1000 |
| commit | cb2f1fb205cc20695fcaef84baf80d9d3e54c88b (patch) | |
| tree | 27aaa3ee651593e3b5b0ecc21daf5ab0d3fb9d7b /arch/powerpc/include/asm/kup.h | |
| parent | d008f8f8a0c3efe4fe1008a797f9497ea5965e27 (diff) | |
powerpc/kuap: Remove to/from/size parameters of prevent_user_access()
prevent_user_access() doesn't use anymore to/from/size parameters.
Remove them.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b7113662fd2c26e4c33e9d705de324bd3860822e.1622708530.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/kup.h')
| -rw-r--r-- | arch/powerpc/include/asm/kup.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h index 2c47feee9482..0202a7e84a49 100644 --- a/arch/powerpc/include/asm/kup.h +++ b/arch/powerpc/include/asm/kup.h @@ -72,8 +72,7 @@ static inline unsigned long kuap_get_and_assert_locked(void) #ifndef CONFIG_PPC_BOOK3S_64 static inline void allow_user_access(void __user *to, const void __user *from, unsigned long size, unsigned long dir) { } -static inline void prevent_user_access(void __user *to, const void __user *from, - unsigned long size, unsigned long dir) { } +static inline void prevent_user_access(unsigned long dir) { } static inline unsigned long prevent_user_access_return(void) { return 0UL; } static inline void restore_user_access(unsigned long flags) { } #endif /* CONFIG_PPC_BOOK3S_64 */ @@ -105,33 +104,33 @@ static inline void allow_read_write_user(void __user *to, const void __user *fro static inline void prevent_read_from_user(const void __user *from, unsigned long size) { - prevent_user_access(NULL, from, size, KUAP_READ); + prevent_user_access(KUAP_READ); } static inline void prevent_write_to_user(void __user *to, unsigned long size) { - prevent_user_access(to, NULL, size, KUAP_WRITE); + prevent_user_access(KUAP_WRITE); } static inline void prevent_read_write_user(void __user *to, const void __user *from, unsigned long size) { - prevent_user_access(to, from, size, KUAP_READ_WRITE); + prevent_user_access(KUAP_READ_WRITE); } static inline void prevent_current_access_user(void) { - prevent_user_access(NULL, NULL, ~0UL, KUAP_READ_WRITE); + prevent_user_access(KUAP_READ_WRITE); } static inline void prevent_current_read_from_user(void) { - prevent_user_access(NULL, NULL, ~0UL, KUAP_READ); + prevent_user_access(KUAP_READ); } static inline void prevent_current_write_to_user(void) { - prevent_user_access(NULL, NULL, ~0UL, KUAP_WRITE); + prevent_user_access(KUAP_WRITE); } #endif /* !__ASSEMBLY__ */ |