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From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 11/32] of: silence warning about never-read error assignment
Date: Mon, 12 Sep 2022 11:41:18 +0200	[thread overview]
Message-ID: <20220912094118.GM24324@pengutronix.de> (raw)
In-Reply-To: <20220905095557.596891-12-a.fatoum@pengutronix.de>

On Mon, Sep 05, 2022 at 11:55:36AM +0200, Ahmad Fatoum wrote:
> err is assigned specific error codes, but they are not propagated and
> instead NULL is returned for error. Make it explicit that we handle all
> errors the same by typecasting to (void).

This warning likely goes back to assigning the variable 'err' right
before jumping to the label 'err':

	err = -EINVAL;
	goto err;

The assignment is indeed unused. We should remove this assignment
rather than suppressing the resulting warning.

Sascha

> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
>  drivers/of/resolver.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
> index 2457ae96a412..510d36f95192 100644
> --- a/drivers/of/resolver.c
> +++ b/drivers/of/resolver.c
> @@ -272,6 +272,7 @@ out:
>  err:
>  	of_delete_node(result);
>  
> +	(void)err;
>  	return NULL;
>  
>  }
> -- 
> 2.30.2
> 
> 
> 

-- 
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  reply	other threads:[~2022-09-12  9:42 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-05  9:55 [PATCH 00/32] treewide: fix some clang-analyze static analyzer warnings Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 01/32] clk: define stub implementation for clk_get_parent Ahmad Fatoum
2022-09-12  9:23   ` Sascha Hauer
2022-09-05  9:55 ` [PATCH 02/32] clk: have SCMI and SiFive clock controllers depend on COMMON_CLK Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 03/32] meminfo: support SANDBOX build with DEBUG log level Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 04/32] net: phy: micrel: drop useless assignment of dummy read Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 05/32] mci: core: drop useless assignment Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 06/32] nvmem: core: propagate read failure Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 07/32] fs: remove never-read initializer in mount_all() Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 08/32] usb: otg: always propagate failure to register parameters Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 09/32] usb: dwc2: gracefully handle unknown hs_phy_type Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 10/32] state: propagate failure to fixup enum32 into DT Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 11/32] of: silence warning about never-read error assignment Ahmad Fatoum
2022-09-12  9:41   ` Sascha Hauer [this message]
2022-09-05  9:55 ` [PATCH 12/32] commands: trigger: drop unused variable Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 13/32] commands: tutorial: fix memory leak Ahmad Fatoum
2022-09-12  9:44   ` Sascha Hauer
2022-09-05  9:55 ` [PATCH 14/32] bthread: fix null pointer dereference in error path Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 15/32] common: env: drop never-read initialization Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 16/32] of: refactor for of_fixup_reserved_memory() for clarity Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 17/32] password: avoid static analyzer false positive Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 18/32] regmap-mmio: regmap_mmio_get_min_stride: unify branches for readability Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 19/32] crypto: caam - delete unused variable Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 20/32] misc: ubootvar: always initialize struct ubootvar_data::flag Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 21/32] nvmem: core: drop always true condition Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 22/32] of: fdt: gracefully handle out-of-place properties Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 23/32] of: overlay: drop unused variable of_overlay_apply_dir() Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 24/32] of: partition: drop unused variable Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 25/32] serial: ns16550_pci: drop useless assignment Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 26/32] phy: core: drop useless else clause Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 27/32] fs: ext4: ext_barebox: handle ext_get_inode() errors Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 28/32] fs: fat: propagate f_lseek failure Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 29/32] fs: drop duplicate follow_managed() call Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 30/32] lib: parse_area_spec: guard against NULL pointer dereference Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 31/32] net: ping: propagate failure Ahmad Fatoum
2022-09-05  9:55 ` [PATCH 32/32] net: fastboot: keep error message initialized at all times Ahmad Fatoum
2022-09-12 10:06 ` [PATCH 00/32] treewide: fix some clang-analyze static analyzer warnings Sascha Hauer

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