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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC/PATCH 2/7] OMAP3: beagle: don't touch omap_device internals
Date: Thu, 28 Jul 2011 11:10:12 +0100	[thread overview]
Message-ID: <20110728101012.GA8446@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20110728055346.GA11921@foobar>

On Thu, Jul 28, 2011 at 12:53:47AM -0500, Nishanth Menon wrote:
> +struct device *omap_hwmod_to_device(const char *oh_name)
> +{
> +	struct omap_hwmod *oh;
> +
> +	if (!oh_name) {
> +		WARN(1, "%s: no hwmod name!\n", __func__);
> +		return ERR_PTR(-EINVAL);
> +	}
> +
> +	oh = _lookup(oh_name);
> +	if (IS_ERR_OR_NULL(oh)) {
> +		WARN(1, "%s: no hwmod for %s\n", __func__,
> +			oh_name);
> +		return ERR_PTR(-ENODEV);

It is good practice to always propagate back the error codes from functions
which failed.  So you may need something like:

		return ERR_PTR(oh ? PTR_ERR(oh) : -ENODEV);

here.

> +	}
> +	if (IS_ERR_OR_NULL(oh->od)) {
> +		WARN(1, "%s: no omap_device for %s\n", __func__,
> +			oh_name);
> +		return ERR_PTR(-ENODEV);

Same here.

  reply	other threads:[~2011-07-28 10:10 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-21 23:52 [RFC/PATCH 0/7] decouple platform_device from omap_device Kevin Hilman
2011-07-21 23:52 ` [PATCH] OMAP: omap_device: replace _find_by_pdev() with to_omap_device() Kevin Hilman
2011-07-22  8:53   ` Felipe Balbi
2011-07-21 23:52 ` [RFC/PATCH 1/7] OMAP: omap_device: replace debug/warning/error prints with dev_* macros Kevin Hilman
2011-07-21 23:52 ` [RFC/PATCH 2/7] OMAP3: beagle: don't touch omap_device internals Kevin Hilman
2011-07-22  8:57   ` Felipe Balbi
2011-07-28  5:53     ` Nishanth Menon
2011-07-28 10:10       ` Russell King - ARM Linux [this message]
2011-07-28 12:57       ` Cousson, Benoit
2011-07-28 12:59         ` Felipe Balbi
2011-07-28 13:31         ` Menon, Nishanth
2011-07-29 13:49           ` Nishanth Menon
2011-07-29 14:05             ` Felipe Balbi
2011-07-29 23:07               ` Menon, Nishanth
2011-08-01  8:52                 ` Felipe Balbi
2011-07-28  8:36     ` Jean Pihet
2011-07-28  8:40     ` Jean Pihet
2011-07-21 23:52 ` [RFC/PATCH 3/7] OMAP: McBSP: use existing macros for converting between devices Kevin Hilman
2011-07-22  8:58   ` Felipe Balbi
2011-07-22 12:32   ` Sergei Shtylyov
2011-07-22 20:19     ` Kevin Hilman
2011-07-21 23:52 ` [RFC/PATCH 4/7] OMAP: omap_device: remove internal functions from omap_device.h Kevin Hilman
2011-07-21 23:52 ` [RFC/PATCH 5/7] OMAP: omap_device: when building return platform_device instead of omap_device Kevin Hilman
2011-07-21 23:52 ` [RFC/PATCH 6/7] OMAP: omap_device: device register functions now take platform_device pointer Kevin Hilman
2011-07-22  6:16   ` Grant Likely
2011-07-21 23:52 ` [RFC/PATCH 7/7] WIP: HACK/RFC: omap_device: begin to decouple platform_device from omap_device Kevin Hilman
2011-07-22  2:20   ` Grant Likely
2011-07-30 12:03   ` Russell King - ARM Linux
2011-07-31  2:58     ` Grant Likely
2011-07-31 15:05       ` Russell King - ARM Linux
2011-08-01 15:42         ` Kevin Hilman
2011-08-01 15:44           ` Grant Likely
2011-08-01 18:50             ` Felipe Balbi
2011-08-01 20:07               ` Russell King - ARM Linux
2011-08-01 22:11                 ` Kevin Hilman
2011-08-01 22:55                   ` Felipe Balbi
2011-08-01 23:09                     ` Russell King - ARM Linux
2011-08-02  0:00                       ` Grant Likely
2011-07-27 14:04 ` [RFC/PATCH 0/7] " G, Manjunath Kondaiah
2011-07-27 21:45   ` Hilman, Kevin
2011-07-28  4:50     ` G, Manjunath Kondaiah
2011-07-29 23:59       ` Kevin Hilman

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