linux-kernel - Re: [PATCH] misc: genwqe: fix uninitialized return value in genwqe_free_sync

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Message-ID: <1401296792.10079.0.camel@oc7383187364.ibm.com>
Date:	Wed, 28 May 2014 19:06:32 +0200
From:	Frank Haverkamp <haver@...ux.vnet.ibm.com>
To:	Christian Engelmayer <cengelma@....at>
Cc:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [PATCH] misc: genwqe: fix uninitialized return value in
 genwqe_free_sync_sgl()

Hi Christian,

thanks for the contribution to our driver.

Am Dienstag, den 13.05.2014, 22:47 +0200 schrieb Christian Engelmayer:
> Function genwqe_free_sync_sgl() returns the value of variable 'rc'. 'rc' is
> only set in the error paths, thus initialize it by 0. Coverity CID 1204242.
> 
> Signed-off-by: Christian Engelmayer <cengelma@....at>
> ---
> Compile tested and applies against branch char-misc-next of tree
> git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
> ---
>  drivers/misc/genwqe/card_utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c
> index d049d27..5babf40 100644
> --- a/drivers/misc/genwqe/card_utils.c
> +++ b/drivers/misc/genwqe/card_utils.c
> @@ -454,7 +454,7 @@ int genwqe_setup_sgl(struct genwqe_dev *cd, struct genwqe_sgl *sgl,
>   */
>  int genwqe_free_sync_sgl(struct genwqe_dev *cd, struct genwqe_sgl *sgl)
>  {
> -	int rc;
> +	int rc = 0;
>  	struct pci_dev *pci_dev = cd->pci_dev;
> 
>  	if (sgl->fpage) {

Acked-by: Frank Haverkamp <haver@...ux.vnet.ibm.com>

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