Date: Sat, 8 Mar 2014 06:06:42 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r262924 - head/sys/arm/at91 Message-ID: <201403080606.s2866gBH070776@svn.freebsd.org>
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Author: imp Date: Sat Mar 8 06:06:42 2014 New Revision: 262924 URL: http://svnweb.freebsd.org/changeset/base/262924 Log: Properly round on unmapping. Modified: head/sys/arm/at91/at91.c Modified: head/sys/arm/at91/at91.c ============================================================================== --- head/sys/arm/at91/at91.c Sat Mar 8 05:03:56 2014 (r262923) +++ head/sys/arm/at91/at91.c Sat Mar 8 06:06:42 2014 (r262924) @@ -84,8 +84,12 @@ at91_bs_unmap(void *t, bus_space_handle_ { vm_offset_t va, endva; + if (t == 0) + return; va = trunc_page((vm_offset_t)t); - endva = va + round_page(size); + if (va >= AT91_BASE && va <= AT91_BASE + 0xff00000) + return; + endva = round_page((vm_offset_t)t + size); /* Free the kernel virtual mapping. */ kva_free(va, endva - va);
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