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Message-Id: <20220203213053.360190-2-russell.h.weight@intel.com>
Date: Thu, 3 Feb 2022 14:30:48 -0700
From: Russ Weight <russell.h.weight@...el.com>
To: mcgrof@...nel.org, gregkh@...uxfoundation.org, rafael@...nel.org,
linux-kernel@...r.kernel.org
Cc: trix@...hat.com, lgoncalv@...hat.com, yilun.xu@...el.com,
hao.wu@...el.com, matthew.gerlach@...el.com,
basheer.ahmed.muddebihal@...el.com, tianfei.zhang@...el.com,
Russ Weight <russell.h.weight@...el.com>
Subject: [RFC PATCH 1/5] firmware_loader: Clear data and size in fw_free_paged_buf
The fw_free_paged_buf() function resets the paged buffer information in
the fw_priv data structure. Additionally, clear the data and size members
of fw_priv in order to facilitate the reuse of fw_priv. This is being
done in preparation for enabling userspace to initiate multiple firmware
uploads using this sysfs interface.
Signed-off-by: Russ Weight <russell.h.weight@...el.com>
---
drivers/base/firmware_loader/main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index 94d1789a233e..2cc11d93753a 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -253,6 +253,8 @@ void fw_free_paged_buf(struct fw_priv *fw_priv)
fw_priv->pages = NULL;
fw_priv->page_array_size = 0;
fw_priv->nr_pages = 0;
+ fw_priv->data = NULL;
+ fw_priv->size = 0;
}
int fw_grow_paged_buf(struct fw_priv *fw_priv, int pages_needed)
--
2.25.1
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