Andreas Schwab dixit: >Explicitly truncate the second operand of do_div to 32 bits to guard >against bogus code calling it with a 64bit divisor. > >Signed-off-by: Andreas Schwab <[email protected]>
Tested-by: Thorsten Glaser <[email protected]> >--- > arch/m68k/include/asm/div64.h | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > >diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h >index 444ea8a..ef881cf 100644 >--- a/arch/m68k/include/asm/div64.h >+++ b/arch/m68k/include/asm/div64.h >@@ -15,16 +15,17 @@ > unsigned long long n64; \ > } __n; \ > unsigned long __rem, __upper; \ >+ unsigned long __base = (base); \ > \ > __n.n64 = (n); \ > if ((__upper = __n.n32[0])) { \ > asm ("divul.l %2,%1:%0" \ >- : "=d" (__n.n32[0]), "=d" (__upper) \ >- : "d" (base), "0" (__n.n32[0])); \ >+ : "=d" (__n.n32[0]), "=d" (__upper) \ >+ : "d" (__base), "0" (__n.n32[0])); \ > } \ > asm ("divu.l %2,%1:%0" \ >- : "=d" (__n.n32[1]), "=d" (__rem) \ >- : "d" (base), "1" (__upper), "0" (__n.n32[1])); \ >+ : "=d" (__n.n32[1]), "=d" (__rem) \ >+ : "d" (__base), "1" (__upper), "0" (__n.n32[1])); \ > (n) = __n.n64; \ > __rem; \ > }) >-- >1.8.3.4 > > >-- >Andreas Schwab, [email protected] >GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 >"And now for something completely different." > > >-- >To UNSUBSCRIBE, email to [email protected] >with a subject of "unsubscribe". Trouble? Contact [email protected] >Archive: http://lists.debian.org/[email protected] > > //mirabilos -- 17:08⎜«Vutral» früher gabs keine packenden smartphones und so 17:08⎜«Vutral» heute gibts frauen die sind facebooksüchtig 17:10⎜«Vutral» aber auch traurig; früher warst du als nerd voll am arsch 17:10⎜«Vutral» heute bist du als nerd der einzige der wirklich damit klarkommt -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
