diff options
Diffstat (limited to 'arch/x86/oprofile/backtrace.c')
| -rw-r--r-- | arch/x86/oprofile/backtrace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c index d6aa6e8315d..5d04be5efb6 100644 --- a/arch/x86/oprofile/backtrace.c +++ b/arch/x86/oprofile/backtrace.c @@ -47,7 +47,7 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head) unsigned long bytes; bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); - if (bytes != sizeof(bufhead)) + if (bytes != 0) return NULL; fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame); @@ -93,7 +93,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head) unsigned long bytes; bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); - if (bytes != sizeof(bufhead)) + if (bytes != 0) return NULL; oprofile_add_trace(bufhead[0].return_address); |