[PATCH] Build with -fno-delete-null-pointer-checks

Uwe Kleine-König u.kleine-koenig at pengutronix.de
Mon Jul 13 00:19:29 PDT 2015

On Wed, Jul 08, 2015 at 12:57:40PM +0200, Sascha Hauer wrote:
> This becomes important with gcc-4.9. Without this gcc assumes
> that accessing NULL pointers traps and everything that happens
> behind the access is not executed. This recently happened with
> i.MX53 which has:
> static int imx53_silicon_revision(void)
> {
> 	void __iomem *rom = MX53_IROM_BASE_ADDR;
I assume MX53_IROM_BASE_ADDR is 0? Is this worth to be pointed out in
the commit log?

Best regards

Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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