From: Julia Lawall <julia.lawall@lip6.fr>
To: Srishti Sharma <srishtishar@gmail.com>
Cc: gregkh@linuxfoundation.org, laurent.pinchart@ideasonboard.com,
mchehab@kernel.org, linux-media@vger.kernel.org,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
outreachy-kernel@googlegroups.com
Subject: Re: [Outreachy kernel] [PATCH] Staging: media: omap4iss: Use WARN_ON() instead of BUG_ON().
Date: Fri, 8 Sep 2017 16:10:09 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1709081609440.3165@hadrien> (raw)
In-Reply-To: <1504879698-5855-1-git-send-email-srishtishar@gmail.com>
On Fri, 8 Sep 2017, Srishti Sharma wrote:
> Use WARN_ON() instead of BUG_ON() to avoid crashing the kernel.
>
> Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
> ---
> drivers/staging/media/omap4iss/iss.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
> index c26c99fd..b1036ba 100644
> --- a/drivers/staging/media/omap4iss/iss.c
> +++ b/drivers/staging/media/omap4iss/iss.c
> @@ -893,7 +893,7 @@ void omap4iss_put(struct iss_device *iss)
> return;
>
> mutex_lock(&iss->iss_mutex);
> - BUG_ON(iss->ref_count == 0);
> + WARN_ON(iss->ref_count == 0);
> if (--iss->ref_count == 0) {
Won't this then infinite loop?
julia
> iss_disable_interrupts(iss);
> /* Reset the ISS if an entity has failed to stop. This is the
> --
> 2.7.4
>
> --
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next prev parent reply other threads:[~2017-09-08 14:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-08 14:08 [PATCH] Staging: media: omap4iss: Use WARN_ON() instead of BUG_ON() Srishti Sharma
2017-09-08 14:10 ` Julia Lawall [this message]
2017-09-08 14:17 ` [Outreachy kernel] " Srishti Sharma
2017-09-08 14:38 ` Dan Carpenter
2017-09-08 14:59 ` Srishti Sharma
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