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| author | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 17:49:36 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 17:49:42 +0400 |
| commit | 695d82fae9160406acb9de204c471248abcc2a9f (patch) | |
| tree | 1a3b3f48e3e0d1783fc75fa50dc77b41a1a88b88 /include/linux/regset.h | |
| parent | 74c46469a5f70a29ac961cfaa90a0422f1d09230 (diff) | |
| parent | 1dde9f75b658edcd4fb7e00259206d727702ce61 (diff) | |
| download | linux-695d82fae9160406acb9de204c471248abcc2a9f.tar.xz | |
Merge tag 'imx25-iomux-ds' of git://git.pengutronix.de/git/imx/linux-2.6 into next/fixes-non-critical
* tag 'imx25-iomux-ds' of git://git.pengutronix.de/git/imx/linux-2.6:
iomux-mx25.h slew rate adjusted for LCD __LD pins
(update to v3.3-rc6)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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); } |