The following reply was made to PR kern/177759; it has been noted by GNATS.
From: [email protected] (dfilter service) To: [email protected] Cc: Subject: Re: kern/177759: commit references a PR Date: Tue, 16 Apr 2013 16:36:06 +0000 (UTC) Author: dim Date: Tue Apr 16 16:35:48 2013 New Revision: 249550 URL: http://svnweb.freebsd.org/changeset/base/249550 Log: MFC r249449: Fix undefined behaviour in several gpio_pin_setflags() routines (under sys/arm and sys/mips), squelching the clang 3.3 warnings about this. Noticed by: tinderbox and many irate spectators Submitted by: Luiz Otavio O Souza <[email protected]> PR: kern/177759 Modified: stable/9/sys/arm/xscale/ixp425/avila_gpio.c stable/9/sys/arm/xscale/ixp425/cambria_gpio.c stable/9/sys/mips/atheros/ar71xx_gpio.c stable/9/sys/mips/rt305x/rt305x_gpio.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/arm/xscale/ixp425/avila_gpio.c ============================================================================== --- stable/9/sys/arm/xscale/ixp425/avila_gpio.c Tue Apr 16 16:09:27 2013 (r249549) +++ stable/9/sys/arm/xscale/ixp425/avila_gpio.c Tue Apr 16 16:35:48 2013 (r249550) @@ -220,8 +220,8 @@ avila_gpio_pin_setflags(device_t dev, ui if (pin >= IXP4XX_GPIO_PINS || !(sc->sc_valid & mask)) return (EINVAL); - /* Filter out unwanted flags */ - if ((flags &= sc->sc_pins[pin].gp_caps) != flags) + /* Check for unwanted flags. */ + if ((flags & sc->sc_pins[pin].gp_caps) != flags) return (EINVAL); /* Can't mix input/output together */ Modified: stable/9/sys/arm/xscale/ixp425/cambria_gpio.c ============================================================================== --- stable/9/sys/arm/xscale/ixp425/cambria_gpio.c Tue Apr 16 16:09:27 2013 (r249549) +++ stable/9/sys/arm/xscale/ixp425/cambria_gpio.c Tue Apr 16 16:35:48 2013 (r249550) @@ -317,8 +317,8 @@ cambria_gpio_pin_setflags(device_t dev, if (pin >= GPIO_PINS) return (EINVAL); - /* Filter out unwanted flags */ - if ((flags &= sc->sc_pins[pin].gp_caps) != flags) + /* Check for unwanted flags. */ + if ((flags & sc->sc_pins[pin].gp_caps) != flags) return (EINVAL); /* Can't mix input/output together */ Modified: stable/9/sys/mips/atheros/ar71xx_gpio.c ============================================================================== --- stable/9/sys/mips/atheros/ar71xx_gpio.c Tue Apr 16 16:09:27 2013 (r249549) +++ stable/9/sys/mips/atheros/ar71xx_gpio.c Tue Apr 16 16:35:48 2013 (r249550) @@ -238,8 +238,8 @@ ar71xx_gpio_pin_setflags(device_t dev, u if (i >= sc->gpio_npins) return (EINVAL); - /* Filter out unwanted flags */ - if ((flags &= sc->gpio_pins[i].gp_caps) != flags) + /* Check for unwanted flags. */ + if ((flags & sc->gpio_pins[i].gp_caps) != flags) return (EINVAL); /* Can't mix input/output together */ Modified: stable/9/sys/mips/rt305x/rt305x_gpio.c ============================================================================== --- stable/9/sys/mips/rt305x/rt305x_gpio.c Tue Apr 16 16:09:27 2013 (r249549) +++ stable/9/sys/mips/rt305x/rt305x_gpio.c Tue Apr 16 16:35:48 2013 (r249550) @@ -242,8 +242,8 @@ rt305x_gpio_pin_setflags(device_t dev, u if (i >= sc->gpio_npins) return (EINVAL); - /* Filter out unwanted flags */ - if ((flags &= sc->gpio_pins[i].gp_caps) != flags) + /* Check for unwanted flags. */ + if ((flags & sc->gpio_pins[i].gp_caps) != flags) return (EINVAL); /* Can't mix input/output together */ _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]" _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "[email protected]"
