I could disable this warning in my reports, but CC sparse authors first to check if there are more elegant solutions. On Mon, Sep 15, 2014 at 11:16:09PM +0200, Rafał Miłecki wrote: > On 15 September 2014 21:50, kbuild test robot <fengguang.wu@xxxxxxxxx> wrote: > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git master > > head: 1030f9fe65602465a89beaa05c3343cf9fd68a88 > > commit: 1f21de53ac8651b1a3e79576f1adf00aabecd052 [70/102] b43: HT-PHY: Implement band switching > > reproduce: > > # apt-get install sparse > > git checkout 1f21de53ac8651b1a3e79576f1adf00aabecd052 > > make ARCH=x86_64 allmodconfig > > make C=1 CF=-D__CHECK_ENDIAN__ > > > > > > sparse warnings: (new ones prefixed by >>) > > > >>> drivers/net/wireless/b43/phy_ht.c:338:35: sparse: cast truncates bits from constant value (ffff3fff becomes 3fff) > > > > vim +338 drivers/net/wireless/b43/phy_ht.c > > I already got the same sparse warning twice (for different parts of code): > > Message-ID: <53b5ab1e.Y9bKd3t4DteE6Pzc%fengguang.wu@xxxxxxxxx> > [wireless-next:master 163/164] > drivers/net/wireless/b43/phy_n.c:5671:55: sparse: cast truncates bits > from constant value (ffff7fff becomes 7fff) > > Message-ID: <53c97150.9C2t3ebOTkndUZD5%fengguang.wu@xxxxxxxxx> > [wireless-next:master 70/75] drivers/net/wireless/b43/phy_n.c:6077:35: > sparse: cast truncates bits from constant value (ffff3fff becomes > 3fff) > > In both of them I pointed that this is an expected behavior. No other > solution was proposed. > > Can this test be fixed or disabled? -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
