From: nsekhar@ti•com (Sekhar Nori)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 06/10] ARM: davinci: don't use broken ntosd2_init_i2c
Date: Thu, 9 Aug 2012 23:53:26 +0530 [thread overview]
Message-ID: <5024001E.3080803@ti.com> (raw)
In-Reply-To: <201208090800.18321.arnd@arndb.de>
Hi Arnd,
On 8/9/2012 1:30 PM, Arnd Bergmann wrote:
> On second thought, there is probably no use in keeping the broken function
> around, and we can just kill it off. If someone wants to add an i2c
> device to the bus, they can always add the init code back as well.
>
> 8<-----
> Subject: ARM: davinci: don't use broken ntosd2_init_i2c
>
> ntosd2_init_i2c walks the ntosd2_i2c_info array, which it expects to
> be populated with at least one member. gcc correctly warns about
> the out-of-bounds access here.
>
> Since this can not possibly work, it's better to disable i2c
> support entirely on this board.
>
> Without this patch, building davinci_all_defconfig results in:
>
> arch/arm/mach-davinci/board-neuros-osd2.c: In function 'davinci_ntosd2_init':
> arch/arm/mach-davinci/board-neuros-osd2.c:187:20: warning: array subscript is above array bounds [-Warray-bounds]
>
> Signed-off-by: Arnd Bergmann <arnd@arndb•de>
> Cc: Kevin Hilman <khilman@ti•com>
> Cc: Sekhar Nori <nsekhar@ti•com>
> Cc: Andrey Porodko <panda@chelcom•ru>
Acked-by: Sekhar Nori <nsekhar@ti•com>
Thanks,
Sekhar
next prev parent reply other threads:[~2012-08-09 18:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 21:27 [PATCH 00/10] ARM: interesting warnings from defconfig builds Arnd Bergmann
2012-08-08 21:27 ` [PATCH 01/10] ARM: footbridge: nw_gpio_lock is raw_spin_lock Arnd Bergmann
2012-08-08 21:27 ` [PATCH 02/10] ARM: ks8695: __arch_virt_to_dma type handling Arnd Bergmann
2012-08-08 21:27 ` [PATCH 03/10] ARM: mv78xx0: fix win_cfg_base prototype Arnd Bergmann
2012-08-13 14:59 ` Andrew Lunn
2012-08-08 21:27 ` [PATCH 04/10] ARM: pass -marm to gcc by default Arnd Bergmann
2012-08-09 21:12 ` Nicolas Pitre
2012-08-09 21:17 ` Russell King - ARM Linux
2012-08-09 21:22 ` Nicolas Pitre
2012-08-10 9:59 ` Dave Martin
2012-08-10 11:12 ` Arnd Bergmann
2012-08-08 21:27 ` [PATCH 05/10] asm-generic: xor: mark static functions as __maybe_unused Arnd Bergmann
2012-08-08 21:27 ` [PATCH 06/10] ARM: davinci: don't use broken ntosd2_init_i2c Arnd Bergmann
2012-08-09 8:00 ` [PATCH v2 " Arnd Bergmann
2012-08-09 18:23 ` Sekhar Nori [this message]
2012-08-08 21:27 ` [PATCH 07/10] ARM: rpc: check device_register return code in ecard_probe Arnd Bergmann
2012-08-08 21:27 ` [PATCH 08/10] ARM: s3c24xx: enable CONFIG_BUG for tct_hammer Arnd Bergmann
2012-08-10 6:07 ` Kukjin Kim
2012-08-08 21:27 ` [PATCH 09/10] ARM: rpc: Fix building RiscPC Arnd Bergmann
2012-08-09 7:47 ` Russell King - ARM Linux
2012-08-10 11:03 ` Arnd Bergmann
2012-08-13 10:52 ` Russell King - ARM Linux
2012-08-08 21:27 ` [PATCH 10/10] leds: renesas: fix error handling Arnd Bergmann
2012-08-09 6:15 ` Bryan Wu
2012-08-09 7:34 ` Arnd Bergmann
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