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m68k: implement __clear_user()

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m68k: implement __clear_user(), which is needed by fs/signalfd.c

Since we always let the MMU do all checking, clear_user() and __clear_user()
are identical. The old clear_user() is renamed to __clear_user() for
consistency.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Cc: Davide Libenzi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Geert Uytterhoeven 2007-05-15 01:41:29 -07:00 • committed by Linus Torvalds
commit 3c46bdcaec
2 changed files with 5 additions and 3 deletions
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4
arch/m68k/lib/uaccess.c
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@ -181,7 +181,7 @@ EXPORT_SYMBOL(strnlen_user);
* Zero Userspace
*/
unsigned long clear_user(void __user *to, unsigned long n)
unsigned long __clear_user(void __user *to, unsigned long n)
{
unsigned long res;
@ -219,4 +219,4 @@ unsigned long clear_user(void __user *to, unsigned long n)
return res;
}
EXPORT_SYMBOL(clear_user);
EXPORT_SYMBOL(__clear_user);