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SubjectRe: [PATCH v2 0/3] staging: rtl8192u: fix rmmod warn when wlan0 is renamed
On Mon, Jul 18, 2022 at 10:50:35PM -0700, Tong Zhang wrote:
> There are 4 debug files created under /proc/net/[Devname]. Devname could
> be wlan0 initially, however it could be renamed later to e.g. enx00e04c000002.
> This will cause problem during debug file teardown since it uses
> netdev->name which is no longer wlan0. To solve this problem, add a
> notifier to handle device renaming.
> Also, due to this is purely for debuging as files are created read only,
> move this to debugfs like other NIC drivers do instead of using procfs.
> Reported-by: Zheyu Ma <>
> Tested-by: Zheyu Ma <>
> Signed-off-by: Tong Zhang <>
> v2: break down patch and fix pointer check
> Tong Zhang (3):
> staging: rtl8192u: move debug stuff to its own file
> staging: rtl8192u: move debug files to debugfs
> staging: rtl8192u: fix rmmod warn when wlan0 is renamed

Thanks! This is much better.

Reviewed-by: Dan Carpenter <>

dan carpenter

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