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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-08-07 16:41:01 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-08-07 16:41:01 -0700 |
| commit | 9e8238020c5beba64e7ffafbb7ea0fb02fe68270 (patch) | |
| tree | 37c7fd953cfa7ebd3d6c476bc4c7d4de2302cdc3 /arch/x86/kernel/stacktrace.c | |
| parent | Input: elan_i2c - add more hardware ID for Lenovo laptops (diff) | |
| parent | Input: exc3000 - add support to query model and fw_version (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.9 merge window.
Diffstat (limited to 'arch/x86/kernel/stacktrace.c')
| -rw-r--r-- | arch/x86/kernel/stacktrace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index 2d6898c2cb64..6ad43fc44556 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -96,7 +96,8 @@ struct stack_frame_user { }; static int -copy_stack_frame(const void __user *fp, struct stack_frame_user *frame) +copy_stack_frame(const struct stack_frame_user __user *fp, + struct stack_frame_user *frame) { int ret; @@ -105,7 +106,8 @@ copy_stack_frame(const void __user *fp, struct stack_frame_user *frame) ret = 1; pagefault_disable(); - if (__copy_from_user_inatomic(frame, fp, sizeof(*frame))) + if (__get_user(frame->next_fp, &fp->next_fp) || + __get_user(frame->ret_addr, &fp->ret_addr)) ret = 0; pagefault_enable(); |