diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 8a87a3224121..8e132931614d 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c | |||
| @@ -1989,7 +1989,7 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry *entry) | |||
| 1989 | frame.return_address = 0; | 1989 | frame.return_address = 0; |
| 1990 | 1990 | ||
| 1991 | bytes = copy_from_user_nmi(&frame, fp, sizeof(frame)); | 1991 | bytes = copy_from_user_nmi(&frame, fp, sizeof(frame)); |
| 1992 | if (bytes != sizeof(frame)) | 1992 | if (bytes != 0) |
| 1993 | break; | 1993 | break; |
| 1994 | 1994 | ||
| 1995 | if (!valid_user_frame(fp, sizeof(frame))) | 1995 | if (!valid_user_frame(fp, sizeof(frame))) |
| @@ -2041,7 +2041,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) | |||
| 2041 | frame.return_address = 0; | 2041 | frame.return_address = 0; |
| 2042 | 2042 | ||
| 2043 | bytes = copy_from_user_nmi(&frame, fp, sizeof(frame)); | 2043 | bytes = copy_from_user_nmi(&frame, fp, sizeof(frame)); |
| 2044 | if (bytes != sizeof(frame)) | 2044 | if (bytes != 0) |
| 2045 | break; | 2045 | break; |
| 2046 | 2046 | ||
| 2047 | if (!valid_user_frame(fp, sizeof(frame))) | 2047 | if (!valid_user_frame(fp, sizeof(frame))) |