diff options
| -rw-r--r-- | include/linux/uaccess.h | 4 | ||||
| -rw-r--r-- | kernel/trace/bpf_trace.c | 4 | ||||
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 2 | ||||
| -rw-r--r-- | mm/maccess.c | 4 |
4 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 4f4622b01a50..d1a4fa66067c 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -313,8 +313,8 @@ extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); extern long strncpy_from_unsafe_strict(char *dst, const void *unsafe_addr, long count); extern long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); -extern long strncpy_from_unsafe_user(char *dst, const void __user *unsafe_addr, - long count); +long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, + long count); extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count); /** diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 3744372a24e2..334db5a299a0 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -159,7 +159,7 @@ const struct bpf_func_proto bpf_probe_read_user_proto = { BPF_CALL_3(bpf_probe_read_user_str, void *, dst, u32, size, const void __user *, unsafe_ptr) { - int ret = strncpy_from_unsafe_user(dst, unsafe_ptr, size); + int ret = strncpy_from_user_nofault(dst, unsafe_ptr, size); if (unlikely(ret < 0)) memset(dst, 0, size); @@ -419,7 +419,7 @@ fmt_str: sizeof(buf)); break; case 'u': - strncpy_from_unsafe_user(buf, + strncpy_from_user_nofault(buf, (__force void __user *)unsafe_ptr, sizeof(buf)); break; diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 35989383ae11..d600f41fda1c 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1268,7 +1268,7 @@ fetch_store_string_user(unsigned long addr, void *dest, void *base) __dest = get_loc_data(dest, base); - ret = strncpy_from_unsafe_user(__dest, uaddr, maxlen); + ret = strncpy_from_user_nofault(__dest, uaddr, maxlen); if (ret >= 0) *(u32 *)dest = make_data_loc(ret, __dest - base); diff --git a/mm/maccess.c b/mm/maccess.c index b3e15a8ec80f..41a494e3deac 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -217,7 +217,7 @@ long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count) } /** - * strncpy_from_unsafe_user: - Copy a NUL terminated string from unsafe user + * strncpy_from_user_nofault: - Copy a NUL terminated string from unsafe user * address. * @dst: Destination address, in kernel space. This buffer must be at * least @count bytes long. @@ -234,7 +234,7 @@ long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count) * If @count is smaller than the length of the string, copies @count-1 bytes, * sets the last byte of @dst buffer to NUL and returns @count. */ -long strncpy_from_unsafe_user(char *dst, const void __user *unsafe_addr, +long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, long count) { mm_segment_t old_fs = get_fs(); |