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Commit c47ffe3d authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
Browse files

make __chk_{user,io}_ptr() accept pointers to volatile 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1f41bb3a

include/linux/compiler.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -15,8 +15,8 @@ 
# define __acquire(x)	__context__(x,1)

# define __acquire(x)	__context__(x,1)

# define __release(x)	__context__(x,-1)

# define __release(x)	__context__(x,-1)

# define __cond_lock(x,c)	((c) ? ({ __acquire(x); 1; }) : 0)

# define __cond_lock(x,c)	((c) ? ({ __acquire(x); 1; }) : 0)

extern void __chk_user_ptr(const void __user *);

extern void __chk_user_ptr(const volatile void __user *);

extern void __chk_io_ptr(const void __iomem *);

extern void __chk_io_ptr(const volatile void __iomem *);

#else

#else

# define __user

# define __user

# define __kernel

# define __kernel