diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/syscalls.h | 4 | ||||
| -rw-r--r-- | include/linux/uaccess.h | 33 |
2 files changed, 0 insertions, 37 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 819c0cb00b6d..a34b0f9a9972 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -290,10 +290,6 @@ static inline void addr_limit_user_check(void) return; #endif - if (CHECK_DATA_CORRUPTION(uaccess_kernel(), - "Invalid address limit on user-mode return")) - force_sig(SIGKILL); - #ifdef TIF_FSCHECK clear_thread_flag(TIF_FSCHECK); #endif diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 2c31667e62e0..2421a41f3a8e 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -10,39 +10,6 @@ #include <asm/uaccess.h> -#ifdef CONFIG_SET_FS -/* - * Force the uaccess routines to be wired up for actual userspace access, - * overriding any possible set_fs(KERNEL_DS) still lingering around. Undone - * using force_uaccess_end below. - */ -static inline mm_segment_t force_uaccess_begin(void) -{ - mm_segment_t fs = get_fs(); - - set_fs(USER_DS); - return fs; -} - -static inline void force_uaccess_end(mm_segment_t oldfs) -{ - set_fs(oldfs); -} -#else /* CONFIG_SET_FS */ -typedef struct { - /* empty dummy */ -} mm_segment_t; - -static inline mm_segment_t force_uaccess_begin(void) -{ - return (mm_segment_t) { }; -} - -static inline void force_uaccess_end(mm_segment_t oldfs) -{ -} -#endif /* CONFIG_SET_FS */ - /* * Architectures should provide two primitives (raw_copy_{to,from}_user()) * and get rid of their private instances of copy_{to,from}_user() and |