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staging: mt7621-mmc: Fix warning when reloading module with debug msgs enabled

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The kernel complained:

    [  510.277151] WARNING: CPU: 0 PID: 395 at fs/proc/generic.c:360 proc_register+0xf0/0x108
    [  510.292891] proc_dir_entry '/proc/msdc_debug' already registered

when doing a modprobe/rmmod/modprobe of this module if debug messages
are compiled in.  Fix this by removing the proc entry when the module is
unloaded.

Signed-off-by: George Hilliard <thirtythreeforty@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
George Hilliard 2019-03-20 16:42:03 -06:00 • committed by Greg Kroah-Hartman
commit f2778bb3cb
3 changed files with 22 additions and 7 deletions
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