From: Kalle Valo <kvalo@kernel.org>
To: Wei Chen <harperchen1110@gmail.com>
Cc: pkshih@realtek.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Wei Chen <harperchen1110@gmail.com>
Subject: Re: [v2] wifi: rtlwifi: fix incorrect error codes in rtl_debugfs_set_write_rfreg()
Date: Fri, 31 Mar 2023 14:51:10 +0000 (UTC) [thread overview]
Message-ID: <168027426945.32751.18184826221598610178.kvalo@kernel.org> (raw)
In-Reply-To: <20230326053138.91338-1-harperchen1110@gmail.com>
Wei Chen <harperchen1110@gmail.com> wrote:
> If there is a failure during copy_from_user or user-provided data buffer
> is invalid, rtl_debugfs_set_write_rfreg should return negative error code
> instead of a positive value count.
>
> Fix this bug by returning correct error code. Moreover, the check of buffer
> against null is removed since it will be handled by copy_from_user.
>
> Fixes: 610247f46feb ("rtlwifi: Improve debugging by using debugfs")
> Signed-off-by: Wei Chen <harperchen1110@gmail.com>
> Reviewed-by: Simon Horman <simon.horman@corigine.com>
Patch applied to wireless-next.git, thanks.
905a9241e4e8 wifi: rtlwifi: fix incorrect error codes in rtl_debugfs_set_write_rfreg()
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230326053138.91338-1-harperchen1110@gmail.com/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
prev parent reply other threads:[~2023-03-31 14:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-26 5:31 [PATCH v2] " Wei Chen
2023-03-26 8:08 ` Simon Horman
2023-03-27 0:27 ` Ping-Ke Shih
2023-03-31 14:51 ` Kalle Valo [this message]
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