Author: dchagin
Date: Fri Jan 25 14:40:54 2013
New Revision: 245908
URL: http://svnweb.freebsd.org/changeset/base/245908
Log:
Arithmetic on pointers takes into account the size of the type. Properly cast
the pointer to avoid incorrect pointer scaling.
MFC after: 1 Week
Modified:
head/sys/compat/linux/linux_futex.c
Modified: head/sys/compat/linux/linux_futex.c
==============================================================================
--- head/sys/compat/linux/linux_futex.c Fri Jan 25 14:36:17 2013
(r245907)
+++ head/sys/compat/linux/linux_futex.c Fri Jan 25 14:40:54 2013
(r245908)
@@ -1203,7 +1203,7 @@ release_futexes(struct proc *p)
if (entry != pending)
if (handle_futex_death(p,
- (uint32_t *)entry + futex_offset, pi)) {
+ (uint32_t *)((caddr_t)entry + futex_offset), pi)) {
LIN_SDT_PROBE0(futex, release_futexes, return);
return;
}
@@ -1222,7 +1222,7 @@ release_futexes(struct proc *p)
}
if (pending)
- handle_futex_death(p, (uint32_t *)pending + futex_offset, pip);
+ handle_futex_death(p, (uint32_t *)((caddr_t)pending +
futex_offset), pip);
LIN_SDT_PROBE0(futex, release_futexes, return);
}
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