Date: Fri, 25 Jan 2013 14:40:54 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r245908 - head/sys/compat/linux Message-ID: <201301251440.r0PEesMq007608@svn.freebsd.org>
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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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