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From: Pavel Machek <pavel@ucw.cz>
To: Vishnu Pratap Singh <vishnu.ps@samsung.com>
Cc: paul.gortmaker@windriver.com, snitzer@redhat.com,
	dehrenberg@chromium.org, akpm@linux-foundation.org,
	mszeredi@suse.cz, linux-kernel@vger.kernel.org, cpgs@samsung.com
Subject: Re: [PATCH] init/do_mounts: Add create_dev() failure log
Date: Tue, 26 May 2015 08:25:34 +0200	[thread overview]
Message-ID: <20150526062534.GA11401@amd> (raw)
In-Reply-To: <1432561783-3317-1-git-send-email-vishnu.ps@samsung.com>

On Mon 2015-05-25 19:19:43, Vishnu Pratap Singh wrote:
> if create_dev() function fails to create the root mount device (/dev/root),
> then it goes to panic as root device not found but there is no check/log
> present in case of failure, So i have added the log in case it fails to create
> the root device. It will help in debugging.
> 
> Signed-off-by: Vishnu Pratap Singh <vishnu.ps@samsung.com>
> ---
>  init/do_mounts.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/init/do_mounts.c b/init/do_mounts.c
> index 8369ffa..a68aaf6 100644
> --- a/init/do_mounts.c
> +++ b/init/do_mounts.c
> @@ -532,7 +532,8 @@ void __init mount_root(void)
>  	}
>  #endif
>  #ifdef CONFIG_BLOCK
> -	create_dev("/dev/root", ROOT_DEV);
> +	if(create_dev("/dev/root", ROOT_DEV) < 0)
> +		printk(KERN_ERR "Failed to create %s device !!\n", "/dev/root");

No change, AFAICT. Please fix stuff I pointed in the email, and you
can get my acked-by ;-).
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  reply	other threads:[~2015-05-26  6:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <130285@samsung.com>
2015-05-25  5:17 ` [PATCH] init/do_mounts: Add create_dev() failure log Vishnu Pratap Singh
2015-05-25 12:59   ` Pavel Machek
2015-05-25 13:49   ` Vishnu Pratap Singh
2015-05-26  6:25     ` Pavel Machek [this message]
2015-05-26  6:26   ` [PATCHv2] " Vishnu Pratap Singh
2015-05-26  8:32     ` Pavel Machek
2015-05-27 23:27     ` Andrew Morton
2015-05-22 12:37 [PATCH] " Vishnu Pratap Singh
2015-05-22 16:48 ` Randy Dunlap
2015-05-22 19:44   ` Andrew Morton

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