diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:32:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-13 16:33:03 +0100 |
| commit | ef15eda98217f5183f457e7a2de8b79555ef908b (patch) | |
| tree | f8f22b48f7bb237c9aa6646175f3e17eeac4af0e /include/linux/regset.h | |
| parent | 5cb4ac3a583d4ee18c8682ab857e093c4a0d0895 (diff) | |
| parent | ef334a20d84f52407a8a2afd02ddeaecbef0ad3d (diff) | |
Merge branch 'x86/cleanups' into perf/uprobes
Merge reason: We want to merge a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/regset.h')
| -rw-r--r-- | include/linux/regset.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/regset.h b/include/linux/regset.h index 8abee6556223..686f37327a49 100644 --- a/include/linux/regset.h +++ b/include/linux/regset.h @@ -335,8 +335,11 @@ static inline int copy_regset_to_user(struct task_struct *target, { const struct user_regset *regset = &view->regsets[setno]; + if (!regset->get) + return -EOPNOTSUPP; + if (!access_ok(VERIFY_WRITE, data, size)) - return -EIO; + return -EFAULT; return regset->get(target, regset, offset, size, NULL, data); } @@ -358,8 +361,11 @@ static inline int copy_regset_from_user(struct task_struct *target, { const struct user_regset *regset = &view->regsets[setno]; + if (!regset->set) + return -EOPNOTSUPP; + if (!access_ok(VERIFY_READ, data, size)) - return -EIO; + return -EFAULT; return regset->set(target, regset, offset, size, NULL, data); } |